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: Fanning a fire helps it continue to burn. 
Question: What helps a fire continue to burn?

Ex Output:
fanning.


Ex Input:
Fact: cows can communicate with sounds, chemicals or visual cues. 
Question: what can communicate with sounds, chemicals or visual cues?

Ex Output:
cows.


Ex Input:
Fact: VOCs and NOx also contains particulates. 
Question: What isn't good for health and also contains particulates?

Ex Output:

VOCs and NOx.