Given the task definition and input, reply with output. 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").

Fact1: Cancer cells divide more often than normal cells, and grow out of control., Fact2: Cancer is an example of a mutation in cells., Question: What can mutations cause? (A) death and devastation (B) blood (C) massive damage (D) Leptospirosis (E) biological diversity (F) horses (G) ice (H) out of control growth
H