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: mountains are formed by earthquakes, Fact2: Earthquakes Earthquakes are the results of moving plates., Question: What are forms mountains? (A) very complex (B) lamphreys (C) permanent (D) energy (E) horses (F) moving plates (G) heated by the sun (H) life
F