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: nuclear reactions in stars causes stars to produce light, Fact2: And, of course, the Sun is a star., Question: What in the sun causes the sun to produce light? (A) energy of moving objects (B) hydrogen and oxygen (C) heat energy (D) water (E) solar rays (F) rotation (G) nuclear reactions (H) kinetic energy

Output: G


Input: Consider Input: Fact1: crumple means change shape from smooth into compacted by physical force, Fact2: Crumple the foil then carefully reopen it., Question: What is used to scrunch up foil? (A) tin (B) awl (C) parchment paper (D) an external framework (E) Physical force (F) energy barrier (G) hard outer covering (H) Evaporation

Output: E


Input: Consider Input: Fact1: Air pollution harms the respiratory and circulatory systems., Fact2: An example of an air pollution reaction is the production of photochemical smog., Question: What affects the respiratory and circulatory systems in the body? (A) HIV (B) sulfur (C) smog (D) stress (E) fever (F) sweat (G) heat (H) tar


Output: C