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: an electric stove transforms electrical energy to heat energy, Fact2: Kinetic energy is energy of movement and also includes heat energy and light energy., Question: What transforms electrical energy to kinetic energy? (A) an engine (B) mechanical waves (C) transportation technology (D) Riding a bike (E) Males and females (F) an electric stove (G) a hydraulic system (H) Firecrackers
Example Output: F

Example Input: Fact1: thick fur can be used for keeping warm, Fact2: When the body is warm, heat production is minimized., Question: thick fur can be used for minimizing what? (A) heat energy (B) heat production (C) scattered light (D) energy usage (E) freezer burn (F) movie production (G) fur production (H) Temperature
Example Output: B

Example Input: Fact1: water vapor cooling causes that water vapor to condense, Fact2: All lenses are anti-fog coated to eliminate condensation., Question: What could cause lenses to fog? (A) energy of moving objects (B) Transpiration from plants (C) Water evaporating (D) heating liquids (E) Water vapor cooling (F) Ice sublimating (G) scattered light (H) The atmosphere
Example Output:
E