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

[EX Q]: Forming fossil fuels requires decomposing vegetation.
[EX A]: What is required to form fossil fuels?

[EX Q]: Maps aid travelling
[EX A]: What aids travelling?

[EX Q]: ink helps cephalopods to avoid being eaten
[EX A]:
What helps cephalopods to avoid being eaten?