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.

Example Input: 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 something promote?
Example Output: conservation

Example Input: Sentence: After graduation , Ciprian went on to study acting at the Bucharest Conservatory , where he was coached by Constantin Nottara . 
 Question: when did someone study something?
Example Output: After graduation

Example Input: Sentence: Following the report , Attorney General Michael Mukasey appointed a special prosecutor to investigate whether former Attorney General Alberto Gonzales and other officials involved in the firings of nine U.S. attorneys broke the law . 
 Question: who was  involved  in something?
Example Output:
former Attorney General Alberto Gonzales ### other officials