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

Example Input: large animals that roamed the planet were replaced with mammals after their extinction
Example Output: What were large animals replaced with after their extinction?

Example Input: Butterflies have two pairs of wings for flight.
Example Output: How many pairs of wings do Butterflies have?

Example Input: a telescope is used for seeing betelgeuse by astronomers
Example Output:
Who uses a telescope to see betelgeuse?