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.

[Q]: Fact: prokaryotes can make proteins. 
Question: what can make proteins?
[A]: prokaryotes.


[Q]: Fact: an animal requires food to grow and heal. 
Question: What does an animal require food for?
[A]: to grow and heal.


[Q]: Fact: the gravitational pull of the Moon on Earth 's oceans causes waves. 
Question: What does does the gravitational pull of the Moon on Earth's oceans cause?
[A]:
waves.