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.

[Q]: Fact: Some parasites survive on the surface of their host. 
Question: Where so parasites go to survive?
[A]: on a host.


[Q]: Fact: The formation of more mitochondria increases a body's strength. 
Question: The formation of more mitochondia does what?
[A]: increases a body's strength.


[Q]: Fact: If a planet is too close to a star, that planet cannot sustain life. 
Question: If a planet cannot sustain life, then the planet may be too close to what?
[A]:
a star.