instruction:
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.
question:
Fact: oxygen is essential for cellular respiration for fungi. 
Question: what requires oxygen for cellular respiration?
answer:
fungi.


question:
Fact: If something is outside during the day then that thing will receive sun. 
Question: When does something receive sun?
answer:
during the day.


question:
Fact: Complex chemisty is needed to carry out the function of learning. 
Question: What complex science do you need to carry out the function of learning?
answer:

chemistry.