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: the moon 's surface contains many craters
[A]: the moon 's surface contains many?


[Q]: Fact: if an animal relies on plants for food then that animal must store enough food to last through the winter
[A]: This creature is likely to hide away sustenance for the harsh wintry months?


[Q]: Fact: rocks often contain large amounts of metal
[A]:
rocks often contain large amounts of?