Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

[EX Q]: Fact: The pituitary gland regulates the metabolic rate in the body. 
Question: What gland helps regulate the metabolic rate in the body?
[EX A]: Pituitary gland.

[EX Q]: Fact: The gravitational pull of a natural satellite on Earth's oceans causes the tides. 
Question: The pull of what on the Earth's oceans cause the tides?
[EX A]: A natural satellite.

[EX Q]: Fact: harming dogs has a negative impact on their population size. 
Question: what species has a negative impact on population size when they are harmed?
[EX A]:
dogs.