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: food can cause illness. 
Question: What is a source of  illness?
Example Output: food.

Example Input: Fact: organic food has no preservatives. 
Question: what do organic foods not have?
Example Output:
preservatives.