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").
Input: Fact1: Loss of ozone has created an ozone hole over Antarctica., Fact2: Ozone Ozone is a natural component of the atmosphere., Question: a loss of what has created a hole over Antarctica? (A) eruptive products (B) detritus and detrital organism (C) clouds (D) krill and plankton (E) h2o (F) single cell microorganisms (G) natural atmosphere component (H) gravity
Output:
G