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.

Input: Consider Input: Question: Octopuses excrete an ink as defense when? Answer: They're in danger.

Output: ink is used for hiding from predators by octopuses


Input: Consider Input: Question: Elk are protected where? Answer: nat'l parks.

Output: national parks limit hunting


Input: Consider Input: Question: Some animals use rocks as a means of what when there is bad weather? Answer: safeguarding themselves.


Output: rocks are a source of shelter for small animals in an environment