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.

[EX Q]: Question: As watering holes dry up more animals will? Answer: die.
[EX A]: as available water in an environment decreases , the amount of available food in that environment will decrease

[EX Q]: Question: An example of a fossil is a paw print in what? Answer: hard stones.
[EX A]: An example of a fossil is a paw print in rock

[EX Q]: Question: Which of these is a source of heat? Answer: coffee.
[EX A]:
a hot substance is a source of heat