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: Exercise can teach animals how to behave. 
Question: What can teach animals how to behave?

Ex Output:
exercise.


Ex Input:
Fact: Cells are formed into tissues and tissues form the liver. 
Question: The liver is formed after cells for into?

Ex Output:
tissue.


Ex Input:
Fact: Sound passing through a fibrous material will slow down. 
Question: What will happen when sound passes through a fibrous material?

Ex Output:

Slows down.