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: Organisms cluster around hydrothermal vents in the ocean floor., Fact2: To survive, some organisms living near hydrothermal vents have formed close associations., Question: How is survival ensured around hydrothermal vents? (A) heat produced (B) Eating a lot (C) Reproducing quickly (D) biological diversity (E) vegetation (F) Being in a cluster (G) Staying far apart (H) hydrate their cells
Example Output: F

Example Input: Fact1: irradiating food can be used to kill existing microorganisms in the food, Fact2: Food-Borne Illnesses are the sickness that results from eating foods that are contaminated with harmful bacteria and other microorganisms., Question: Which food is most unlikely to cause an illness if eaten? (A) Deoxyribonucleicacid (B) single-celled organisms (C) animals with backbones (D) Roundworms (E) deoxyribonucleic acid (F) one celled organisms (G) irradiated fruit (H) Jellyfish
Example Output: G

Example Input: Fact1: a seismograph is used for measuring the size of an earthquake, Fact2: Magnitude a measure of earthquake size., Question: Seismographs measure what aspect of earthquakes? (A) Major effects (B) magnitude (C) Otoacoustic (D) power (E) classified (F) specialized (G) lifespan (H) their speed
Example Output:
B