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: human power causes a bike to move. 
Question: What causes a bike to move?

Output: Human power.


Input: Consider Input: Fact: Coral Reefs are found in the salt water of the ocean. 
Question: what are found in the salt water of the ocean?

Output: Coral Reefs.


Input: Consider Input: Fact: Ground tissue makes up most of the interior of a producer. 
Question: Ground tissue makes up the interior of what kind of organism?


Output: a producer.