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: Which phenomenon is studied about once annually? Answer: geese travelling.
[EX A]: migration is when animals move to different locations in an annual cycle

[EX Q]: Question: A person approaching a dog from across a street can note that the dog? Answer: looks more sizable after approaching.
[EX A]: if an object is close then that object will appear large

[EX Q]: Question: a paper clip is often made of ferromagnetic? Answer: hard shiny material.
[EX A]:
a paper clip is often made of ferromagnetic metals