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").
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Question: Fact1: matter vibrating can cause sound, Fact2: All matter emits vibrations., Question: What kind of matter can produce sound? (A) sensory neurons (B) all matter (C) an object (D) only liquids (E) mechanical (F) only plasma (G) only solids (H) waves

Answer: B

Question: Fact1: Mutualism is a symbiotic relationship in which both species benefit., Fact2: Dogs and humans are symbiotic species., Question: what exists between dogs and humans? (A) mutualism (B) gravity (C) communication (D) antigens (E) several genes (F) space between (G) electrons (H) german shepherd

Answer: A

Question: Fact1: Oxygen is essential for cellular respiration for all aerobic organisms., Fact2: Fungi are aerobic organisms., Question: what requires oxygen for cellular respiration? (A) bamboo (B) gravity (C) digestion (D) plants (E) fungi (F) bacteria (G) animals (H) ferns

Answer:
E