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: Consider Input: Fact1: Some viruses can cause cancer., Fact2: Cancer is an example of a mutation in cells., Question: What can mutate cells? (A) Allergies (B) water (C) fruits (D) flow of electrons (E) vegetables (F) harmful substances (G) rays or beams (H) some viruses

Output: H


Input: Consider Input: Fact1: Viruses contain DNA but not much else., Fact2: All viruses consist of RNA or DNA and a protein coat., Question: what do viruses contain? (A) Mass (B) DNA (C) SNPs (D) RNA (E) acid (F) gene (G) ovum (H) host

Output: D


Input: Consider Input: Fact1: Mutations are essential for evolution to occur., Fact2: Besides, evolution means stronger members of the species survive., Question: What helps species grow stronger? (A) weakness (B) layers of fat (C) a cuticle (D) exercise (E) pain (F) mutations (G) pleasure (H) roots


Output: F