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.
--------
Question: Fact: as the amount of food an animal eats decreases , that organism will become thinner. Question: If an animals starts eating fewer calories than its used to, its body will eventually?

Answer: shrink


Question: Fact: rock is made of minerals. Question: A granite counter top?

Answer: is made of minerals


Question: Fact: a canyon forming occurs over a period of millions of years. Question: How long did it take the Grand Canyon to form? A?

Answer:
very lengthy amount of time