Given a statement and question, generate the answer to the question such that the answer is contained in the statement.

Input: Consider Input: statement: Mammals took advantage of an asteroid event., question: What did mammals take advantage of?

Output: an asteroid event

Input: Consider Input: statement: An effective treatment against bacteria has no effect on viruses, question: What does an effective treatment against bacteria have no effect on?

Output: viruses

Input: Consider Input: statement: nonvascular plants are autotrophs in aquatic ecosystems, question: What are autotrophs in aquatic ecosystems?
Output: nonvascular plants