You are presented with the quiz "How are cells that divide uncontrollably classified" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cells that divide uncontrollably may form a tumor, or abnormal mass of cells" and "tumors are either benign or malignant". 

So, what's the best answer to the question?


 

      As benign or malignant     