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: lightning can cause a forest fire, Fact2: Forest fires are bad for the environment., Question: Lightning can be bad for what? (A) the environment (B) rainstorms (C) destruction (D) visibility (E) thunder (F) the sun (G) The weather. (H) transportation
Example Output: A

Example Input: Fact1: Energy is passed up a food chain or web from lower to higher trophic levels., Fact2: Plants represent the first trophic level., Question: What passes energy up the food chain to adult vegans? (A) cows (B) animals (C) Batteries. (D) chickens (E) Power companies. (F) glucose (G) Humans. (H) Plants.
Example Output: H

Example Input: Fact1: coal is used for generating heat by burning, Fact2: Coal arrives at the power station coal handling area., Question: generating heat by what occurs at power stations (A) waves (B) wind (C) burning (D) engines (E) Fuel cells (F) sweating (G) Electrical (H) energy
Example Output:
C