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: a light bulb is used for seeing at night. 
Question: a light bulb is used for seeing?

Ex Output:
at night.


Ex Input:
Fact: oxygen is essential for cellular respiration for fungi. 
Question: what requires oxygen for cellular respiration?

Ex Output:
fungi.


Ex Input:
Fact: Fungi can not absorb light energy. 
Question: What can fungi not do?

Ex Output:

absorb light energy.