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

Q: crumbs can be separated with a sifter

A: What can be separated with a sifter?
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Q: Cartilaginous fish possess thin skin.

A: What type of skin does a fish have?
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Q: A fowls beak can vary in size depending on the prey they eat.

A:
What type of beak can a fowls beak vary in size depending on?
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