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: Lung cancer is most often caused by exposure to cigarettes. 
Question: What is lung cancer most often caused by exposure to?
Example Output: cigarettes.

Example Input: Fact: Translation reads the genetic code in mRNA and makes a nitrogenous compound. 
Question: What reads genetic code in mRNA and makes a nitrogenous compound?
Example Output: translation.

Example Input: Fact: sites where proteins are made consist of RNA and proteins. 
Question: sites where proteins are made consist of RNA and what?
Example Output:
proteins.