Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Example Input: Fact: the excretory system removes waste from the body
Example Output: The excretory system removes waste from what?

Example Input: Fact: extreme heat and pressure metamorphose rock into metamorphic rock
Example Output: Rock that has been metamorphosed will have potentially withstood this to get to that point?

Example Input: Fact: a flashlight emits light
Example Output:
Flashlights?