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: a light bulb is used for seeing in the dark, Fact2: Light is emitted by a light bulb., Question: What is required for seeing? (A) dark (B) sun (C) light (D) wind (E) retina (F) eyes (G) photons (H) copper

Answer: C


Question: Fact1: Immunity results from immunization., Fact2: Oxygen deprivation in immune cells causes immune weaknesses., Question: Oxygen deprivation in cells result in what? (A) weakness (B) strength (C) Dehydration (D) anemia (E) oxygen (F) water (G) Damages them (H) Pollution

Answer:
A