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

Example Input: Meteorologists study the atmosphere for climate conditions from day to day
Example Output: Who study the atmosphere for climate conditions from day to day?

Example Input: muscles contracting cause a person's arm to straighten
Example Output: What causes a person's arm to straighten?

Example Input: Some animals have subterranean habitats.
Example Output:
What type of habitat do some animals have?