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.

Example Input: Fact: growth occurs on the windward side of the mountain range. 
Question: What occurs on the windward side of a mountain range?
Example Output: growth.

Example Input: Fact: a light bulb is used for seeing at night. 
Question: a light bulb is used for seeing?
Example Output: at night.

Example Input: Fact: zooplankton feed on minute plants. 
Question: what do zooplankton feed on?
Example Output:
minute plants.