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.
--------
Question: Fact: The cause of smallpox is usually thought to be nonliving. 
Question: Many believe the cause of smallpox to be what?

Answer: Nonliving.


Question: Fact: Cells that divide uncontrollably may form masses of neoplastic origin. 
Question: Cells that divide uncontrollably may form _.?

Answer: masses of neoplastic origin.


Question: Fact: Humans are the dominant land mammals. 
Question: Who are the dominant land mammals?

Answer:
Humans.