In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.
Q: Sentence: The third is the presence of a community ; small and stable populations with a thick social network and social norms promoting conservation do better . 
 Question: what   does?
A: 
small and stable populations with a thick social network and social norms promoting conservation