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

Q: statement: brain signals are electrical in practice., question: What type of brain signals are in practice?

A: electrical
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Q: statement: eagle eggs are hard shells, question: What type of shells are eagle eggs?

A: hard shells
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Q: statement: Female bears have breasts, question: What do bears have?

A:
breasts
****