Part 1. Definition
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.
Part 2. Example
Question: Frilled sharks and angler fish live far beneath the surface of the ocean, which is why they are known as? Answer: deep sea fish
Answer: deep sea animals live deep in the ocean.
Explanation: This sentence is useful when answering the given question. The sentence provides the information that animals who live deep in the ocean are called deep sea fish. This is a good output. 
Part 3. Exercise
Question: Which is likely to disappear? Answer: the last surviving member of a population.
Answer:
if all members of a species cannot produce offspring then that species will likely become extinct