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

Ex Input:
a beak is used for catching maggots by birds

Ex Output:
What is a beak used for?

Ex Input:
Rappers also have a larynx, or voice box, to croak.

Ex Output:
A larynx can be heard to what?

Ex Input:
Tigers eat other animals sometimes.

Ex Output:
Who eats other animals?