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.

Fact: The enclosure of the lower part of the flower is usually green. 
Question: The enclosure of the lower part of the flower is what?
usually green.

Fact: Diabetes is caused by a reduction of a hormone that helps cells absorb sugar from the blood. 
Question: What is caused by a reduction of a hormone that helps cells absorb sugar from the blood?
diabetes.

Fact: Clothing can have an impact on the effectiveness of sweating to cool the body. 
Question: What does taking off one's clothing improve the efficacy of?

Sweating.