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: the average number of individuals per unit of area affect the balance of the environment. 
Question: The average number of individuals per unit of area affect the balance of .?
Example Output: the environment.

Example Input: Fact: decomposition increases amount of organic matter in dirt. 
Question: What increases amount of organic matter in dirt?
Example Output: decomposition.

Example Input: Fact: Better senses have a positive impact on an animal's life. 
Question: An animal will have better chances at life if it has better what?
Example Output:
senses.