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

Example Input: Leopard geckos can go several weeks between meals
Example Output: How long can Leopard geckos go between meals?

Example Input: Cytoplasm refers to all of the cellular material inside the outer membrane.
Example Output: What refers to all of the cellular material inside the outer membrane?

Example Input: Cars require surfaces with less friction.
Example Output:
Cars require surfaces with what?