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: a refrigerator is used for keeping food fresh for a long period of time, Fact2: Cold temperatures keep food fresh and inhibit the growth of most bacteria., Question: A refrigerator is used for inhibiting the growth of what on food? (A) some invertebrates (B) viruses (C) molds (D) spores (E) Echinoids (F) most bacteria (G) Nematoda (H) cones

Output: F


Input: Consider Input: Fact1: Hormones are chemical messengers that control many body functions., Fact2: Growth hormone is in many ways an anti-aging hormone., Question: What controls anti-aging? (A) A computer (B) air (C) chemical messengers (D) ice (E) an electric stove (F) Electrical energy (G) water (H) Chemical energy

Output: C


Input: Consider Input: Fact1: wind is used for producing electricity, Fact2: This electricity can be used to power households., Question: What can be used to power households? (A) heat (B) energy (C) motors (D) cells (E) cars (F) wind (G) coal (H) Gas


Output: F