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: if an object is kicked then force is exerted on that object, Fact2: Force is measured in newtons., Question: what is exerted on a kicked object? (A) adding heat (B) soccer ball (C) shorts (D) wooden plank (E) kinetic energy (F) Electrical energy (G) direct damage to the lungs (H) measurement of newtons
Example Output: H

Example Input: Fact1: decomposition increases amount of organic matter in soil, Fact2: Fungi are involved in decomposition, as well., Question: What can help increase the amount of organic matter in soil?  (A) Fungi (B) mussels (C) pine (D) worms (E) animals (F) Enzymes (G) solutes (H) trees
Example Output: A

Example Input: Fact1: microbial fuel cells convert chemical energy into electrical energy, Fact2: Electrical energy can be converted into kinetic energy and heat energy by an electric motor., Question: Microbial fuel cells convert chemical energy into what? (A) Something with exactly eight protons (B) Something studied by Michael Faraday (C) scraping oneself on a contaminated object (D) Something that moves in an elliptical orbit (E) skin redness and pain, possible swelling, blisters, fever, headaches (F) remove toxic material from the stomach before it is absorbed (G) Something that can be converted to kinetic and heat energy by a motor (H) Something made of glass, fiberglass, polyethylene, or vinyl
Example Output:
G