Definition: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Input: Fact1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells., Fact2: Tumor Tumors are masses of neoplastic origin., Question: Cells that divide uncontrollably may form _. (A) masses of eukaryotic origin. (B) masses of neoplastic origin (C) cause people to become sick. (D) Microscopic organisms (E) masses of prokaryotic origin. (F) masses of epithelial origin. (G) Veins and arteries. (H) Wither and die
Output:
B