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 polar bear requires a cold environment, Fact2: Polar bears primarily eat seals., Question: Seals live where? (A) islets of Langerhans (B) on the ocean floor (C) aquatic animals (D) in outer space (E) holding nutrients (F) unicellular organisms (G) a cold environment (H) the desert
G