In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

[Q]: Question: What has a positive impact on body strength? Answer: active physical effort.
[A]: exercise has a positive impact on a body 's strength

[Q]: Question: Which is true? Answer: glaciers make depressions that water can pool in.
[A]: a glacier causes mechanical weathering

[Q]: Question: humans will have to flee if their home is? Answer: demolished.
[A]:
shelter can protect humans from weather