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 seismograph is used for measuring the size of an earthquake, Fact2: When earthquakes occur near cities of any size, the potential for damage is great., Question: A seismograph is used to measure the what of damage done by an occurrence? (A) hail (B) color (C) shape (D) stoma (E) size (F) death (G) attraction (H) homes
Example Output: E

Example Input: Fact1: melting means changing from a solid into a liquid by adding heat energy, Fact2: Ice is the solid form of water., Question: What changes ice to water by adding heat energy? (A) mussels (B) melting (C) freezing (D) fertilization (E) storms (F) boiling (G) engines (H) condensation
Example Output: B

Example Input: Fact1: if a tree falls then sunlight becomes available to the surrounding plants, Fact2: Encroaching trees rob the orchids of the sunlight they require., Question: What happens to a orchid when a nearby tree falls? (A) dormant state (B) It gets more light (C) It becomes dormant (D) They may not survive. (E) It remains dormant (F) It dies (G) It gets less water (H) It less light
Example Output:
B