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: In order for a crane to operate properly it requires? Answer: a fulcrum.
[A]: a lever is used for moving heavy objects


[Q]: Question: What has a positive impact on a bodies strength? Answer: pumping iron.
[A]: exercise has a positive impact on a body 's strength


[Q]: Question: An environment is likely to change when humans? Answer: clear hillside brush for houses.
[A]:
humans building homes in an ecosystem causes that environment to change