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: As the earth glides from winter into spring you will witness? Answer: leaves growing.

Output: temperature changing can cause phase changes


Input: Consider Input: Question: Sound can be used for communication by? Answer: creatures.

Output: sound can be used for communication by animals


Input: Consider Input: Question: What are nutrients a source of energy for? Answer: whales.


Output: nutrients are a source of energy for living things


