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 Input:
Fact: Mutations that lead to cancer usually occur in genes aiding in mitosis. 
Question: Mutations that lead to cancer usually effect genes that aid in what?

Ex Output:
mitosis.


Ex Input:
Fact: preventing the transfer of energy from an organism's body causes it to keep warm. 
Question: what can preventing the transfer of cause the body to keep warm in an organism?

Ex Output:
energy.


Ex Input:
Fact: regular skeletons are less flexible than shark skeletons but stronger. 
Question: What are less flexible than shark skeletons but stronger?

Ex Output:

regular skeletons.