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.

Input: Consider Input: Fact: mammals keep warm with hair. 
Question: what do mammals keep warm with?

Output: hair.


Input: Consider Input: Fact: Bioterrorism is the spread of pathogens. 
Question: What does bioterrorism spread?

Output: Pathogens.


Input: Consider Input: Fact: locusts spread disease and destroy crops. 
Question: What spreads disease and destroy crops?


Output: locusts.