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.

Question: Animals eat food for the taste but also because without it, they would? Answer: expire.
an animal needs to eat food for nutrients

Question: Octopuses excrete an ink as defense when? Answer: They're in danger.
ink is used for hiding from predators by octopuses

Question: Which is likely to disappear? Answer: the last surviving member of a population.

if all members of a species cannot produce offspring then that species will likely become extinct