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: heating a pan on a stove generates carcinogens. 
Question: heating a pan on a stove generates?

Ex Output:
carcinogens.


Ex Input:
Fact: blood traveling to the heart is deoxygenated. 
Question: Blood traveling to the heart is?

Ex Output:
deoxygenated.


Ex Input:
Fact: Chemical messengers in the body are regulated by feedback mechanisms. 
Question: What regulates chemical messengers in the body?

Ex Output:

feedback mechanisms.