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: volcanic ash in the atmosphere decreases the temperature by blocking the sun, Fact2: Supersaturation is inferred to be a common state for atmospheric haze particles., Question: What decreases the temperature by blocking the Sun? (A) cilia (B) the Sun (C) the wind (D) haze (E) ice (F) fat (G) rain (H) acids

Answer: D


Question: Fact1: better senses have a positive impact on an animal 's survival, Fact2: All dogs are animals ., Question: what can have a positive impact on survival with better senses? (A) pugs (B) deer (C) pigs (D) mice (E) dog (F) cats (G) bird (H) cows

Answer: E


Question: Fact1: using a gasoline engine requires burning gasoline, Fact2: Gasoline ignites easily and burns vigorously., Question: what ignites easily? (A) rockets (B) fuel (C) air (D) cigars (E) Fuel cells (F) heat energy (G) oil (H) gasoline

Answer:
H