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: planes can measure wind speed. 
Question: what can measure wind speed?
Example Output: planes.

Example Input: Fact: mammals prevent death with the help of a diaphragm. 
Question: What do mammals use a diaphragm for?
Example Output: Preventing death.

Example Input: Fact: A compass can determine 16 points. 
Question: How many points does a compass have?
Example Output:
16.