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.

[EX Q]: Question: The outer shell of our planet is made of? Answer: sedimentary formations.
[EX A]: Earth 's surface is made of rock

[EX Q]: Question: Chewying and swallowing a steak? Answer: breaks it down.
[EX A]: break down means change from a whole into pieces

[EX Q]: Question: What are sources of shelter for small animals? Answer: andesite.
[EX A]:
rocks are a source of shelter for small animals in an environment