Definition: 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: Fact1: natural magnetism is used for pointing north by a compass, Fact2: Compasses point to the Magnetic Poles., Question: what do compasses use to point with? (A) the sun (B) radiation (C) poles (D) landmarks (E) eight (F) MPH (G) humidity (H) compass
Output:
C