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.

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

Ex Output:
masses of neoplastic origin.


Ex Input:
Fact: Blood in our body contains minerals. 
Question: what in our body contains minerals?

Ex Output:
blood.


Ex Input:
Fact: skin is used for breathing air by tadpoles. 
Question: What do tadpoles use to breathe?

Ex Output:

skin.