Detailed Instructions: 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").
Q: Fact1: a compass is used to navigate oceans, Fact2: Largest of the oceans on Earth is the Pacific Ocean ., Question: what is a compass used to navigate? (A) lamphreys (B) calibrated (C) navigation (D) eight (E) elevators (F) 100 meter dash (G) Pacific (H) the same
A:
G