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: nerve receptors in the skin sense temperature and pain. 
Question: what in the skin sense temperature and pain?
Example Output: nerve receptors.

Example Input: Fact: Sharks have as skeleton that contains a protein called collagen. 
Question: Sharks have as skeleton that contains?
Example Output:
collagen.