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 evaporation of sweat occurs when a body is hot. 
Question: The evaporation of sweat occurs when what thing is hot?
Example Output: body.

Example Input: Fact: when the seasons change from summer to autumn, the amount of daylight will decrease. 
Question: What decreases when the seasons change from summer to autumn?
Example Output: daylight.

Example Input: Fact: The balance of the environment is affected by the average number of individuals per unit of area or volume. 
Question: What do the average number of individuals per unit of area or volume affect?
Example Output:
balance of the environment.