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").

Input: Consider 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

Output: D

Input: Consider Input: Fact1: Most salamanders use their sense of smell to find a mate., Fact2: Like frogs, salamanders are amphibians., Question: What uses its sense of smell to find a mate? (A) the Sun (B) peachleaf willow (C) rocks (D) fur seals (E) warm-blooded (F) trees (G) passenger pigeons (H) some amphibians

Output: H

Input: Consider Input: Fact1: Hagfish are noted for secreting large amounts of thick, slimy mucus., Fact2: Hagfishes are entirely marine, very slimy, and feed on carrion and injured fishes., Question: what environments contain thick, slimy mucus? (A) Pacific (B) sponges (C) the moon (D) marine (E) outer space (F) Porifera (G) cows (H) gravity
Output: D