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dd0lKq0lIjhGmdYsWj0ZH2QuLNuWwQAC+8+n5sae3qVJDhQBXvzFTeAesk1l8SfdvzBs4Rs1i+eyMOsx1rqxTCJRIWyQ+eMBUmifyK3eiMyZyWnYbL7aLljP/W10yDp28QAC/u9yQm64EruZxl27A5cqKCMmndzJmmTEStb0lvvnoYOWF514kgTxfl08/RnK1CmAyNvAGUxM8OP10qzFhFG3Pdu7ncbMHxWuOtM65rPA0C4FVDXj+ofZ+nCp0hekr5qS0Exo68rq7+Kun+VGD5RTehCvhINVspCNTQQm/BrxIwh9WgM1JdVUZaRhrLqnfQNGyktc2B+cXG3W2rLoUVcwCDwSDX3HHg4maz1sXuqhB6Q/R8v5t6ZHLpxf+si69Kmj0KOF14+zzAuuoi2mechFpQsSlcgSOsx6cLY/WpMKj0+ASJAp+bbL0BV5KRtBnjEk7DmAP43fIfeXLu+gMCnTTyPIaMeRmzo3XUdwue7ZtwoiS6QxuGPkBucYhNu7aSZLWSYrBSFQhgQB5i86EX9HjFEFpJhdNXhVMvkJWUifb5exE0h14mEY+4Yw7g3Dc/YeHX5VGxaKRy3nh+GGMmzGZ98b4tx8KBCt6ZqXTB1Lfgv7q0PzNLChnuyMURCpOCSGnIg1GlxaDTIwTCeNUBigNeWtjS0NuTKOiUQd7gxHvXjjmAN9/5JBX+6AbIQ8POo0NeLu+8/yXzP913itKpzcOMHXV9ffU/4dMvGjCYQV8uIuj28GyLzpxtTMNhtBPwB9CpBcIaLTpEiiQn73q283WyivcWLEpI3WIO4JUDpyDoM/cF6y9hwYt3Rn6fM+99Fn1be0SDfPU8R0f/vsoxDfUlY0avaxmf/01kG12Xz4fFbEEK+FFpRfzuGsIaDTpBhcluQa1WcU6XM5k145X6mmmU9DEFcOVvq3lkRvQkhI7Nfdw/akAkmNHjnmdL2b5W8EVdzAzq36tRAj2ejJzbuQPri6uQpADyXroasXZVm8Vkw+1xE5KCaFQaRJ2I0WCkeU4mHy78OCEliCmAvW+ahMqYFRWoTaxg1tTa97x/X/0g9rR9jZCHh55F+7YHHzFJSLUSxKmT2uYRkCTkHgf58nhrIBBCUgkIKgG1DJ9KhUrURRalt8zNZNF7JwCAcv+fFAqgUu+b8dL7gmSuu/riiFB/7R90lm3nszdqV9IpV90VKLvlYU75Yg5yY9bjDeLx1ERqQbm2kzxeRKsFKQQapAiAoqglKcnKL9/9WHcjjZgyZjXg1998z1Pza09Acu4uwJaSi8u5i8Vz74p8VlxczLAJX0aFpnTB1L+kl/Tqz1UrPpYnN2PS6dCbzXi8HlQhCV8oFMlQK2ojv4fVKmxWC127duHFZ16uv7FGuCNmAM6YvZDPfqqJcjnoKWHhy7UNEHmV3IjHordhUwCsfwm/f9VABq6QlzCEIwvOA4Hax7AkBRFFPT6/t/YR/OesZ3lLN4PByOqff6m/sUa4I2YA9hs8BY/wl9Yv0DYbHrm3tqPZ7XbTf3T0zuvzp12DVptYHaONoPlRm0jNbkog6EerMRDyufEG/FhstY276konepMJg96AVquNbMthNJqOfwAvvGYiNkdulLi39M7lP/86b+9n+48R33BpJpddogzD1ZfIzOY5eL1efF4vKrVc24kEAn58Hh9GgwW1TkAKycOe8sQELVaLgT9+XVVfM42SPmY14MEmIOz/iN0/Tfczjdx84xWNEujxZMTRNBOdPOIhCLjdLsJeH4JaTVVVNTqjHlGvx25Pinwvb1hu0IusyT+OASzYtoORk5ZElbE8+/m9GTdGfXZpn3swpJyy97O8Jh4m3D/oeGKjUWJJzc5BFNWRvRXlLphQUELud/D4/SCA0WRGo9UQllSRV5zk5GR+/zExj8WNSQ04c877fPrDvhEOuRT8riI+mBN92mPPPsMQU/atyBfDu5n33B2NUmjHk5FaADX4fF5CoWDkBCqfx4sUlDBoNaiNRiwWS2RoTt6v8dqrejFl0tSElCAmAPYZNJGQLvr9z6gq59Wnh+0NuqKigpsfiO4MdVfv5uNXFQDrS4YMoFoTxufzRR6x8j8ZPr/Pj1Ynovtz4ZG8ObJ84OGGVasjjZJEvGIC4CX9p2O0pETFl2nz8fTE2iG4PdfB3hP/cbLA8NuUCan1gSMtJxeNRoXbU/vUEYISPrkR4vZis1kJhMOYDfrI/6kpyazJT9xDwWMC4MHAuriLkYH9oxsYl13/CP6wHkkKoRWNiKKRkLeERa8pyzLrA6AjKwOVIBIMeVGhwuf3I79z+91eLCYjyGPA8sSEcJhBA/ry3/GH2SSqPsZjnDYmAPa+bU6kO+Cv13kn6xlx25VRn11+84toRCOemgoCvprIo8NkUjFj4g2kH+Y0oBjHfUxn16RlM8L+AC6vN6LhnstTVY1o1KPT6zBoRVSinj9+zce23ybliRR8TADsft0ULEn7OqGDAS8h528senP6QQH864cu11bs52/njQEvJJIuCe1L+9M7snPXzsisF7/Xh16jjTxu3dUuDJba7Xjl90C93kDRps0JHctRA1hUVMQdE786IMi2mZU88kD0et+Zb8/jgw+3oTdnE/AUU5q9moqkrRjMBu7JHkCf7srcwLrQcvEVPVm+YjmENBBwR/oA5dauPCIizwMMqlTo9PoTD0D5sVpTVYrB7GBEvw78q9u+URBZ2CueuZEtjtLDajyu2SB6n610UB9KqFM6n8HmzZtrd7/3evEjYLKYqKmuHYs36nUIWm2k5Vu0ecth9Y5ngqOuAWXnh987hR3VmXhrKtnV+UsCSV5SS818Njx6ddy6rRt4a927SCEJk2igqKiYap8Ll+inzOfEIOq5oFknOhpOodtZ3eKpS0Lbbtm+LWXluyM+Vpc70YgiOelpFO4uRS0/jn3+yFNFQKB8x66DnjGXKAHGBMBzp/eiJq12VkbVLyXomprRGDWcozmFGQOeqFOs1a5qnNVVZGU2rVP6EzmRIysTt8uFRqONHE4jt4BbtGjFxg3rMVstkaO45PFhrahhxdJvaZYTvRlAImkXEwBvmzacb0OrUTc58FiutsFc+jXrxSVduydS3Me0LylZTQhLYVxVVYQCAcxGAyqDAefuMrR6PUZz7Zm/YSQMehM7EvgxHBMA5WA3FG7k+f/N5HP3L6hS9m0BJvkl+udcRJ7Qmh4X1M6MVq6jU8CalhJ5zAoqIt1fcos3HAjgrHRiTrJFZsWo1ELkcSwf/JPILeGYAbhH0tc/nsc29Q78QgCb3kKTtHTCJdDnH1cfnerK3XsVkEdCQiE/kTVJ8qfqIAF/EG917ciI8c+5gTKE2Vm5rPrp54RVL+YAJmykx5FjI0YO47U33ok8ZOW+QJnCzPQ01q9Zj2jQ4/d4sTjskQmrG1b9jt2WuMefKQAeo2DqLGaMFlPkXVBeHdfnyp68Mvt1NPLjWB4LtpgRVCrKivZtBJCIoSoAJmKp1MEnvdWCzqiLzAWUr343DmTmU9MiAAZ9PszJNi48vysL3oxeBlGHrBs1iQJgo8odO2NmRxIaeW2wPAoC5GQ3Y93q3yM/y+PBUihMk6ZZbFm7NnZGGyAnBcAGELUxsjTYLZHaT57zJ498yNPxI+0RUSQkz4z+82e/K3qlYmP4Vh8bCoD1USuB0qpFbeRxK8Mmv/PJtZ48HUu+5M/lFrAMqAJgAhXa8eSKWidGhuAitZ0goNFpCXhqDwnfA6ZcG/r+7JpJ1NiVGjBRS+Ywfu0BUG5w7IFO/nlP7SdPVJCnY5UX70roCBUAE7p4Du2c2WwEvTziJD9qA2jk/XhU8iJ0PSMH9kOjNxHy1jBq7GPH/2SEY7QMj1m3p016iIDfT5ItCbNOR0VQ4vYhI5j7wtPk5/+K1qQjxW4n5A/hkkKMf7RuE0LiIYhSA8ZD9aO0OXn8fVgMJnbuLkUXDjJm8rNROd5390BSLOlU1JTQKbcjV9yeuAcBKQAeJQzxuH3K8Duwp4YpDxtx+iUenTA5Hm7ExKYCYExkbNxMqqursFiiz1tpXA9iZ00BMHZaKjkdgQIKgEcgmnJL7BRQAIydlkpOR6CAAuARiKbcEjsFFABjp6WS0xEooAB4BKIpt8ROAQXA2Gmp5HQECigAHoFoyi2xU0ABMHZaKjkdgQL/D/m9si/W3ruWAAAAAElFTkSuQmCCdata:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAeAAAAFoCAYAAACPNyggAAAAAXNSR0IArs4c6QAADoVJREFUeF7t1cEJAAAIxDDdf2m3sJ+4wEEQuuMIECBAgACBd4F9XzRIgAABAgQIjAB7AgIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECByxcQFpoRMBzwAAAABJRU5ErkJggg==3.1 edits these blocks' definitions.TIF A. The condition tested in the IF has to be ((RANDOM FROM 1 TO 4) < 4). Here it does matter what number follows the < sign. Alternatively, to avoid changing the numbers, make it IF (NOT ((RANDOM FROM 1 TO 4) = 3)). B. You get really long sentences, because most of the time the "complicated" branch is chosen. Students may find this surprising. We are trying to lay a foundation so that the official introduction to recursion isn't quite so unexpected. "Explain why" questions are always hard for students, but look for "it calls itself" somewhere in what they say.

Change some list items. To add more items, click the right-arrow of the list block.

4.4

NOTE: The original version of GOSSIP 2 has only six inputs, not seven, because its "Oh, but... " ends with a space character. Students will notice that their first attempt doesn't have a space between the gossip response phrase and the WHO 2 subject of the sentence. They could fix that either by adding an input, as done here, or by putting spaces at the end of all the phrases in GOSSIP RESPONSE. It doesn't matter which solution they pick; what matters is that they notice the bug and figure out some way to fix it. Don't let them just ignore it. The solution used here, adding an input, is a little painful because the new input slot appears at the /end/ of the JOIN block. The easiest way to handle this, but still annoying, is to shift inputs over starting at the right end, moving WHO into the new empty slot, then typing a space into the slot that used to have WHO, and so on. It'll be important that students notice the white halo surrounding the slot into which Snap! thinks it should drop the block they're moving.

5.8

4.2

5.6

As noted in the problem statement, either or both calls to WHO can be replaced.

5.10 (ITIT)

The simplest solution, perfectly acceptable, is just to replace the call to WHO in GOSSIP 2 with MORE COMPLICATED WHO, because that takes advantage of code already written. If the student wants to replace WHO 2 instead, they need a MORE COMPLICATED WHO 2 that duplicated MORE COMPLICATED WHO but calling WHO 2 instead of WHO. That's a fine solution too.