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: 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
Example Output: D

Example Input: Fact1: global warming is when worldwide temperature increases, Fact2: Global warming is caused by carbon dioxide trapped in the atmosphere., Question: What does carbon dioxide cause? (A) skateboards (B) Greenhouse gases (C) Worldwide temperature increase (D) major threat to health (E) direct damage to the lungs (F) running (G) a lot of human deaths (H) Temperature decrease
Example Output: C

Example Input: Fact1: looking at bright objects has a negative impact on the eyes, Fact2: Like the retina of the eye, the intense light of the Sun can burn the imager damaging the camcorder., Question: What does looking at bright objects do to the retina? (A) It expands (B) It decreases (C) Change colors (D) Makes it brighter (E) Makes them itchy (F) decrease stamina (G) Damages them (H) Dries them out
Example Output:
G