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: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Unequal absorption of radiation causes unequal heating of the earth's surface., Question: heating causes the wind patterns on earth to be what? (A) evenly distributed (B) waves (C) equal (D) constant (E) threatened (F) supersonic (G) unequal (H) Tropical
Example Output: G

Example Input: Fact1: Plants use cellulose for their cell walls., Fact2: Basically, fiber is cellulose ., Question: What is made from cell walls? (A) water (B) blood (C) cells (D) sugar (E) a path (F) fiber (G) moss (H) Carbon
Example Output: F

Example Input: Fact1: Urine leaves the body through a sphincter in the process of urination., Fact2: Fluids in the urine eliminate metabolic waste products., Question: Metabolic waste products can leave the body through (A) burning coal (B) animal transport (C) Dehydration (D) radiative transfer (E) osmosis (F) convection (G) fossil fuels (H) a sphincter
Example Output:
H