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

[Q]: statement: Eggs are often laid by birds in lifeless trees., question: Eggs are often laid by birds in what?
[A]: lifeless trees

[Q]: statement: Being a snake requires catching prey., question: What type of snake requires catching prey?
[A]:
snake