instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: Stimuli can cause the brain to experience pain., question: Stimuli can cause the brain to experience what?
answer:
pain


question:
statement: An animal with an additional joint in its mandible became more mammal-like as it continued to evolve, question: What did an animal with a joint in its mandible become?
answer:
mammal


question:
statement: Trees are also autotrophs., question: Trees are also what?
answer:

autotrophs