instruction:
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.
question:
Fact: most mosses are small. 
Question: what are most versions of small?
answer:
mosses.


question:
Fact: Force being exerted on a soccer ball compresses it. 
Question: Force being exerted on a soccer ball does what?
answer:
compresses it.


question:
Fact: Fur and feathers help prevent some animals bodies from transferring heat. 
Question: What function can fur and feathers perform for some animals?
answer:

prevent bodies from transferring heat.