In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.
One example: Fact: deep sea animals live deep in the ocean. Question: Frilled sharks and angler fish live far beneath the surface of the ocean, which is why they are known as?
Solution is here: Deep sea animals
Explanation: This is the correct answer since the fact says that deep sea animals live deep in the ocean and the question asks for what fish who live deep in the ocean are called.

Now, solve this: Fact: food is a source of energy for animals. Question: What is a source of energy for animals?
Solution:
nutriment