Instructions: 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: Mutations are essential for evolution to occur., Fact2: Mutations in somatic cells are called somatic mutations ., Question: what do somatic cells perform? (A) recovery (B) Absorb light (C) evolution (D) Plants growth (E) migrate (F) recycling (G) resistance (H) allow growth
Output:
C