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: a compass is used to navigate oceans, Fact2: Large ocean-going vessels use a gyrocompass as their steering compass., Question: what are used for steering? (A) brakes (B) SI units (C) tiny hairs (D) lamphreys (E) compass (F) the cervix (G) cilia (H) feedback
E