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.

Example Input: Fact: Toyota causes pollution. 
Question: What causes pollution?
Example Output: Toyota.

Example Input: Fact: Beavers help lakes to form. 
Question: What animal can help lakes to form?
Example Output: The beaver.

Example Input: Fact: Estuaries are larger than streams. 
Question: Estuaries are always larger than which of the following?
Example Output:
streams.