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

Q: statement: some predecessors became more mammal-like as they continued to evolve, question: What did some predecessors become as they continued to evolve?

A: mammal-like
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Q: statement: Controlled environments are where science is done, question: What is where science is done?

A: Controlled environments
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Q: statement: Olympus and Fuji are used for recording pictures, question: What are used for recording pictures?

A:
Olympus and Fuji
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