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

Ex Input:
a cat requires vision for seeing food animals

Ex Output:
What does a cat need vision for?


Ex Input:
a telescope is used for seeing betelgeuse by astronomers

Ex Output:
Who uses a telescope to see betelgeuse?


Ex Input:
Guiding requires knowing where you are.

Ex Output:

What does Guiding require?