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: passive immunity lasts only as long as the antibodies survive in blood. 
Question: passive immunity lasts only as long as the antibodies survive where?
Example Output: blood.

Example Input: Fact: temperature can change the state of matter. 
Question: What can change the state of matter?
Example Output: temperature.

Example Input: Fact: Water can cause deposition. 
Question: Water can cause what?
Example Output:
depositon.