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.

Ex Input:
Fact: cell division is how humans grow and repair themselves. 
Question: what uses cell division to grow and repair themselves?

Ex Output:
humans.


Ex Input:
Fact: most animals consume and are consumed by more than one species. 
Question: what consume and are consumed by more than one species?

Ex Output:
animals.


Ex Input:
Fact: cells converting oxygen and carbohydrates into carbon dioxide, water, and energy is a requirement for life. 
Question: what is cells converting oxygen and carbohydrates into carbon dioxide, water, and energy?

Ex Output:

requirement for life.