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

[Q]: statement: Scientists use telescopes to detect planets, question: What do scientists use to detect planets?
[A]: telescopes


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


[Q]: statement: navigation requires charts for travelling., question: What does navigation require for travelling?
[A]:
charts