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

[Q]: Astronomers study the stars and galaxies
[A]: Who study the stars and galaxies?

[Q]: eagle eggs' shells and antacids are made of the same material
[A]: What are the shells of eagle eggs made of?

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