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: amoebae have motility. 
Question: what have motility?
answer:
amoebae.


question:
Fact: Without hair, 90 percent of the body's heat would be lost. 
Question: What can prevent 90 percent of the body's heat loss?
answer:
hair.


question:
Fact: proteins foreign to the body are found on cancer cells and the cells of transplanted organs. 
Question: proteins foreign to the body can be found where?
answer:

on cancer cells.