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: if soil is permeable then h2o easily flows through the soil. 
Question: what flows with ease through soil if it's permeable?

Ex Output:
h2o.


Ex Input:
Fact: Communications with the outside world can cause people to become distracted. 
Question: What with the outside world can cause people to become distracted?

Ex Output:
communications.


Ex Input:
Fact: mutagens cause mutations in DNA. 
Question: What cause mutations in DNA?

Ex Output:

mutagens.