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: If a new predator begins eating prey, what will happen to the preys population? Answer: lessening.
[EX A]: if a new predator begins eating prey then the population of that prey will decrease

[EX Q]: Question: A squirrel eats all of the acorns in a tree. The tree is empty, and the squirrel is still hungry, so? Answer: the squirrel leaves.
[EX A]: as the supply of food in an environment decreases , the population of animals in that environment will decrease

[EX Q]: Question: Why might a polar bear grow white hair? Answer: blend in.
[EX A]:
the arctic environment is cold in temperature from being at a northern lattitude below 0 degrees celsius during most of the year