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: waves can be used to produce electricity. 
Question: What can be used to produce electricity?

Ex Output:
waves.


Ex Input:
Fact: Monotremes lay eggs. 
Question: What is the distinguishing feature of monotremes?

Ex Output:
They lay eggs.


Ex Input:
Fact: Rain and snow breaks down rocks from larger whole into smaller pieces. 
Question: Rain and snow breaks down what from larger whole into smaller pieces?

Ex Output:

rocks.