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: snow falls during the winter in the arctic environment
[A]: if white cold items drop from the sky, what might these be?


[Q]: Fact: if a body part was burned then that body part was exposed to a lot of heat energy
[A]: A man is burned in an accident on the road, which means that at one point he was?


[Q]: Fact: sometimes weathering rounds rocks
[A]:
Which of the following most likely led to certain rocks having less friction?