Given the task definition and input, reply with output. 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").

Fact1: the Himalayas were formed by rock folding, Fact2: It is located in the Himalayas on the borders of Tibet and Burma ., Question: What was formed by rock folding? (A) Something located on the Sun (B) marshes, bogs, and swamps (C) Something located on the border of Tibet and Burma (D) Something located on Venus (E) Something caused by pressure differences (F) Something that take eight minutes to travel to the Earth (G) Something located in the Pacific Ocean (H) soil loss through hurricanes
C