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: a glacier causes mechanical weathering, Fact2: Largest of the glacier-formed lakes is Karakul., Question: What can be formed by mechanical weathering? (A) NaCl (B) white (C) rock (D) tube (E) soils (F) Roads (G) Lakes (H) sand

Output: G


Input: Consider Input: Fact1: wiring requires an electrical conductor, Fact2: Wires connected to a source of electricity., Question: An electrical conductor is required for the operation of: (A) water current (B) electricity (C) satellites (D) energy (E) to move people (F) gas lamps (G) trains (H) lightning

Output: B


Input: Consider Input: Fact1: Lung cancer is most often caused by exposure to tobacco smoke., Fact2: Tobacco is smoked in pipes or in cigarettes or bidis., Question: What is lung cancer most often caused by? (A) the Moon (B) Pollution (C) sunlight (D) Chemical energy (E) fossil fuels (F) cigarettes (G) burning (H) marijuana smoke


Output: F