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: if heat is conducted to an object that object will emit more energy. 
Question: If heat is conducted to an object what will that object do?
Example Output: Emit more energy.

Example Input: Fact: A vehicle in use requires navigation. 
Question: A vehicle in use requires?
Example Output: navigation.

Example Input: Fact: Differential heating of air can be harnessed for electricity production. 
Question: Differential heating of air can be harnessed for what?
Example Output:
electricity production.