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: humans use lipids to store energy. 
Question: what uses lipids to store energy?

Ex Output:
humans.


Ex Input:
Fact: Alternation of generations allows for creating young by asexual and sexual means. 
Question: What allows for an organism to create young by sexual and asexual means?

Ex Output:
alternation of generations.


Ex Input:
Fact: Cells make up the structure and function of plants and animals. 
Question: Cells make up plants and animals what?

Ex Output:

structure and function.