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: a plant stem is the vehicle for transporting water and food from roots to the rest of the plant
Example Output: Which is likely to have a means to transport water from the dirt to the rest of its body?

Example Input: Fact: phloem transports materials through the plant
Example Output: Phloem?

Example Input: Fact: a revolution of the moon around the Earth takes 1 month
Example Output:
A new moon can be observed every?