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: adult amphibians live on land
[A]: Which of these live on land as adults?

[Q]: Fact: recycling has a positive impact on the environment
[A]: To be a friend of the environment?

[Q]: Fact: Matter in the solid phase has definite shape
[A]:
Which form can be made into a triangle?