Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following 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
Solution: deep sea animals live deep in the ocean.
Reason: 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. 

Now, solve this instance: Question: A boy is lost in a heavily forested area, and the only help he has is a small compass. He knows that his house is to the south of him, but in the direction he is facing, the arrow on the compass is showing that he is currently walking due north. Therefore, the boy? Answer: turns around.
Student:
when the needle of a compass lines up with Earth 's magnetic poles , the needle points north