Teacher:In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Teacher: Now, understand the problem? Solve this instance: Jenner thought that the pus in the blisters that milkmaids received from cowpox ( a disease similar to smallpox , but much less virulent ) protected them from smallpox .
Student:
Noting the common observation that milkmaids were generally immune to smallpox , Jenner postulated that the pus in the blisters that milkmaids received from cowpox ( a disease similar to smallpox , but much less virulent ) protected them from smallpox .