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 bicycle is a vehicle that requires smooth surfaces. 
Question: What kind of surface does a bicycle require to ride on?

Ex Output:
smooth.


Ex Input:
Fact: Competition may lead to release of adrenaline. 
Question: Competition may lead to release of?

Ex Output:
adrenaline.


Ex Input:
Fact: plants grow during the day. 
Question: When do plants grow the most?

Ex Output:

during the day.