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.

[Q]: Fact: each of the moon 's phases usually occurs once per month
[A]: A boy is waiting to see a full moon. He notes that the full moon is tonight, and looks at it. If he wants to see another, he must wait?


[Q]: Fact: two females can not usually reproduce with each other
[A]: two females are incapable of?


[Q]: Fact: the digestive system breaks food into nutrients for the body
[A]:
Paul's dog has just pooped on the lawn. The dog has?