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: Lions live in social groups called prides., Fact2: Lions live in Africa., Question: where are there social groups called prides? (A) under the sea (B) outer space (C) complex (D) protected (E) arctic (F) fur seals (G) Summer (H) africa
Example Output: H

Example Input: Fact1: if soil is permeable then water easily flows through that soil, Fact2: If a soil has high permeability, water flows through the soil more freely and may cause chemicals to leach., Question: What may cause chemicals to leach in soil? (A) soil is permeable (B) Pesticides (C) soil is hard (D) soil is dense (E) soil is eroded (F) Organic compounds (G) fossil fuels (H) harmful substances
Example Output: A

Example Input: Fact1: a refrigerator is used for keeping food fresh for a long period of time, Fact2: Fresh food is good., Question: What appliance can keep food good a long time? (A) toaster (B) Fuel cells (C) Cooking (D) a hydraulic system (E) an electric stove (F) oven (G) refrigerator (H) vacuum cleaner
Example Output:
G