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: Fossils are remnants of ancient life. 
Question: What ancient life remnants are studied?

Ex Output:
fossils.


Ex Input:
Fact: extreme heat and pressure create slate. 
Question: What do extreme heat and pressure create?

Ex Output:
slate.


Ex Input:
Fact: Wiring requires a conductor such as copper to carry a current. 
Question: What can be used in wiring as a conductor?

Ex Output:

copper.