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: phones require electrical energy to function. 
Question: What do phones require to function?
Example Output: electrical energy.

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: degrees celcius falls from lower to higher altitudes. 
Question: what falls from lower to higher altitudes?
Example Output:
degrees celcius.