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: Ants communicate with chemicals called pheromones., Fact2: Ants communicate with the colony in the form of what is called pheremon trails., Question: Ants communicate with the colony using what? (A) Electrical energy (B) Chemical energy (C) visible energy (D) Decibels (E) pheremon traits (F) heat energy (G) refraction of light (H) mechanical waves
Example Output: E

Example Input: Fact1: freezing means changing from a liquid into a solid by reducing heat energy, Fact2: Frostbite is the freezing of body parts., Question: What is one result of reducing the heat energy of body parts? (A) dehydration (B) An uncomfortably hot sensation (C) Frostbite (D) layers of fat (E) anemia (F) Sweating (G) Weight (H) Muscle growth
Example Output: C

Example Input: Fact1: a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone, Fact2: When caves contain connecting rooms, they are called caverns., Question: What is one element used to create caves? (A) sunlight (B) heat energy (C) Calcium carbonate (D) hydrogen and oxygen (E) calcite (F) carbonic acid (G) less water (H) salinity
Example Output:
F