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: crumple means change shape from smooth into compacted by physical force, Fact2: Crumple the foil then carefully reopen it., Question: What is used to scrunch up foil? (A) tin (B) awl (C) parchment paper (D) an external framework (E) Physical force (F) energy barrier (G) hard outer covering (H) Evaporation
Example Output: E

Example Input: Fact1: glass cause refraction of light, Fact2: Refraction Refraction is the bending of light rays., Question: Glass causes the _ of light (A) intensification (B) bending (C) photons (D) a wave (E) Pollution (F) blocking (G) heat (H) amplification
Example Output: B

Example Input: Fact1: an egg requires warmth to survive, Fact2: Sunlight and warmth are vital to the incubation of eggs and a successful hatch of fry., Question: What does an incubator help an egg to do? (A) support (B) eat (C) motility (D) expand (E) reproduce (F) growth (G) survive (H) die
Example Output:
G