instruction:
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.
question:
Fact: humans eat crops
answer:
A person who is unable to hunt for nourishment may still survive and even thrive if they?


question:
Fact: a valley is formed by a river flowing
answer:
In what way are valleys formed?


question:
Fact: snow falls during the winter in the arctic environment
answer:

if white cold items drop from the sky, what might these be?