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

[EX Q]: statement: Birds use small branches and twigs to protect their offspring., question: What do birds use to protect their offspring?
[EX A]: small branches and twigs

[EX Q]: statement: plants start food chains, question: Plants start what?
[EX A]: food chains

[EX Q]: statement: pollution can contain fine dust particles, question: Pollution can contain what?
[EX A]:
fine dust particles