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: Animals require alleles for warmth. 
Question: Animals require warmth as encoded on what?

Ex Output:
alleles.


Ex Input:
Fact: Plastic slows the transfer of electricity. 
Question: Which material slows the transfer of electricity?

Ex Output:
Plastic.


Ex Input:
Fact: When a comparator made with discrete transistors is working properly , electrical current runs through it. 
Question: What has electrical current running through it when working properly?

Ex Output:

Discrete transistors.