instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: Clover plants are autotrophs, question: Clover plants are what?
answer:
autotrophs

question:
statement: plants start food chains, question: Plants start what?
answer:
food chains

question:
statement: MDMA alter neurotransmitters in the brain., question: What alters neurotransmitters in the brain?
answer:
MDMA