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.

Input: Consider Input: Fact: expansion can cause fatigue. 
Question: what can cause fatigue?

Output: expansion.


Input: Consider 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?

Output: good health.


Input: Consider Input: Fact: Seed wait to grow for favorable conditions which increase growth like light. 
Question: What causes seeds to grow in favorable conditions?


Output: Light.