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.

Input: Consider Input: Fact: Breathing provides one substance transported by the blood. 
Question: What process provides one substance transported by the blood?

Output: breathing.


Input: Consider Input: Fact: the heart stopping pumping can cut off oxygen to cells. 
Question: What can cut off the oxygen to cells?

Output: the heart stopping.


Input: Consider Input: Fact: Mature sponges produce eggs and sperm. 
Question: What produces both eggs and sperm?


Output: an individual mature sponge.