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

Example Input: Placental mammals get oxygen from the atmosphere.
Example Output: What type of mammals get oxygen from the atmosphere?

Example Input: The African elephant is a live birthing mammal.
Example Output: What is a live birthing mammal?

Example Input: construction spots for eggs start about a month before the egg is usually laid
Example Output:
How long before the egg is usually laid?