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: a battery converts chemical energy into electrical energy, Fact2: Electrical energy can be converted into kinetic energy and heat energy by an electric motor., Question: What can convert chemical energy into kinetic energy (A) a magnet (B) a vacuum (C) a windmill (D) a battery (E) arteries (F) barnacles (G) animals (H) engines
Example Output: D

Example Input: Fact1: Adult worms go through a major transformation to develop reproductive organs., Fact2: An enlarged cummerbund-like band near the worm's head holds the reproductive organs., Question: What grows a cumberbund-like band around itself in adulthood? (A) legumes (B) Bats (C) mammals (D) bamboo (E) swea (F) worms (G) fungi (H) bushes
Example Output: F

Example Input: Fact1: a tape measure is used to measure length, Fact2: Length The Base unit for length in the metric system is the meter ., Question: What is used to measure the base unit of the metric system which is the meter? (A) solid, liquid, gas (B) A laser (C) A measuring cup (D) bottom of feet (E) A tape measure (F) focusing a lens (G) Time and energy (H) A level
Example Output:
E