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").

Example 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
Example Output: D

Example Input: Fact1: a stopwatch is used to measure time, Fact2: Reaction time was measured with a stopwatch in minutes and seconds., Question: What is used to measure minutes? (A) light (B) barometer (C) stopwatch (D) weater (E) thermometer (F) lamphreys (G) feedback (H) sound
Example Output: C

Example Input: Fact1: Menopause occurs when menstruation stops occurring, usually in middle adulthood., Fact2: Another menopause discomfort is vaginal dryness., Question: What can occur when menstruation stops? (A) hospitalization (B) Dehydration (C) Localized damage (D) sweating (E) Vaginal dryness (F) turn to a doctor (G) cigarettes (H) Leptospirosis
Example Output:
E