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: Migrants typically travel long distances., Fact2: Migrant birds arrive., Question: What travels long distances? (A) humans (B) jets (C) rocks (D) birds (E) camels (F) cocoons (G) Light (H) eggs

Output: D


Input: Consider Input: Fact1: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Unequal absorption of radiation causes unequal heating of the earth's surface., Question: heating causes the wind patterns on earth to be what? (A) evenly distributed (B) waves (C) equal (D) constant (E) threatened (F) supersonic (G) unequal (H) Tropical

Output: G


Input: Consider Input: Fact1: Plastics are made from petroleum and produce toxic waste., Fact2: Toxic wastes can cause illness or death., Question: What  can cause illness? (A) a nylon cord (B) burning coal (C) a plastic bag (D) heat or cold (E) a wool sweater (F) a leather purse (G) Pesticides (H) Sulfur dioxide


Output: C