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

Ex Input:
Weather refers to the conditions of the Earth's oxygen from day to day.

Ex Output:
What refers to the conditions of the Earth's oxygen from day to day?


Ex Input:
Birds use small branches and twigs to protect their offspring.

Ex Output:
What do birds use to protect their offspring?


Ex Input:
eagles  use pectorals to move their wings

Ex Output:

What do eagles use to move wings?