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: A prism is used to split light into colors. 
Question: What does a prism split light into?
answer:
colors.


question:
Fact: memory cells help keep people from getting sick. 
Question: What helps keep people from getting sick?
answer:
Memory cells.


question:
Fact: Larvae can be fatal to puppies. 
Question: Some larvae can be fatal to what animals?
answer:

Puppies.