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: an aquatic animal requires great amounts of water to survive, Fact2: Beavers are primarily aquatic animals., Question: what requires great amounts of water to survive (A) sunlight (B) beavers (C) octopus (D) mussels (E) trout (F) carbon (G) oxygen (H) amphibians
Example Output: B

Example Input: Fact1: heat can change the state of matter, Fact2: Heat and temperature are the same thing., Question: What can change the state of matter? (A) temperature (B) color (C) a-a gradients (D) electricity (E) hypothyroidism (F) fossil fuels (G) global warming (H) flavor
Example Output: A

Example Input: Fact1: cellular respiration is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy, Fact2: Without enough oxygen cell respiration is reduced, leaving a person tired and lacking in energy., Question: A person is what without cellular respiration? (A) major threat to health (B) dormant state (C) They may not survive. (D) breathing deeply (E) tired and lacking energy (F) hydrated and full (G) dead organisms (H) awake and sleepless
Example Output:
E