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: Eating a variety of small portions is a way of eating that promotes good health. 
Question: Eating a variety of small portions is a way of eating that promotes what?

Ex Output:
good health.


Ex Input:
Fact: space exploration is not possible without navigation. 
Question: What is used for space exploration?

Ex Output:
navigation.


Ex Input:
Fact: Rivers are better able to dissolve oxygen and nutrients than standing water. 
Question: Which body of water would be able to  dissolve oxygen and nutrients the best?

Ex Output:

River.