Given a statement, generate a question such that the answer is contained in that statement.
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Question: Lizards keep their eggs in rotting trees.

Answer: What do Lizards keep their eggs in?


Question: An animal with an additional joint in its mandible became more mammal-like as it continued to evolve

Answer: What did an animal with an additional joint become?


Question: Catching would be harder for a blind animal

Answer:
What would be harder for a blind animal?