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.

Input: Consider Input: Fact: Herpes is considered to be nonliving. 
Question: what is considered to be nonliving?

Output: Herpes.


Input: Consider Input: Fact: All birds have backbones. 
Question: Which animal has a backbone?

Output: bird.


Input: Consider Input: Fact: The cells that eventually develop the ability to heal fractures are found free floating in bone marrow. 
Question: Where do the progenitor cells for bone fracture healing float around?


Output: bone marrow.