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: mammals keep warm with hair. 
Question: what do mammals keep warm with?

Ex Output:
hair.


Ex Input:
Fact: reindeer adapt to the Arctic's temperatures. 
Question: What adapts to the temperatures of the Arctic?

Ex Output:
reindeer.


Ex Input:
Fact: Cells that divide uncontrollably may form a fibroid. 
Question: When cells start to divide uncontrollablly, they may form a what?

Ex Output:

fibroid.