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.

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

Output: slate.


Input: Consider Input: Fact: bottom dwelling organisms can be filter feeders. 
Question: What can bottom dwelling organisms be?

Output: filter feeders.


Input: Consider Input: Fact: Oxygen is just one substance transported by hemoglobin. 
Question: What is just one substance transported by hemoglobin?


Output: oxygen.