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: Mollusks reproduce sexually., Fact2: Mollusks are the dominant invertebrate., Question: what reproduces sexually? (A) A compound that donates proton (B) spread flower seeds (C) They have webbed feet (D) Plant reproduction (E) By wind and rain (F) passenger pigeons (G) the dominant invertebrate (H) Something found in San Francisco

Output: G


Input: Consider Input: Fact1: the emission of sulfur dioxide causes acid rain, Fact2: The sulfur dioxide is converted into sulfuric acid., Question: what causes acid rain? (A) gases (B) rainfall (C) Pollution (D) fossil fuels (E) emissions (F) vehicles (G) burning (H) wind

Output: E


Input: Consider Input: Fact1: the movement of an air mass over Earth 's surface causes local weather changes, Fact2: Air mass movements are also influenced by mountain barriers., Question: what can mountain barriers influence? (A) erosion (B) social media (C) population movement (D) watershed (E) local weather (F) gravity (G) Animal survival (H) Mount Everest


Output: E