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: Consider Input: Fact1: knowledge of the stars can be used to navigate, Fact2: Of course, astronomers also study stars., Question: What can be used to navigate? (A) music (B) backbones (C) astrology (D) cilia (E) magic (F) sponges (G) astronomy (H) lamphreys

Output: G


Input: Consider Input: Fact1: global warming is when worldwide temperature increases, Fact2: Global warming is caused by carbon dioxide trapped in the atmosphere., Question: What does carbon dioxide cause? (A) skateboards (B) Greenhouse gases (C) Worldwide temperature increase (D) major threat to health (E) direct damage to the lungs (F) running (G) a lot of human deaths (H) Temperature decrease

Output: C


Input: Consider Input: Fact1: Translation reads the genetic code in mRNA and makes a protein., Fact2: Protein is a chain of amino acids ., Question: What reads the genetic code in mRNA and makes a chain of amino acids? (A) animals (B) it needs them (C) A computer (D) translation (E) A Greek letter (F) peachleaf willow (G) more abundant (H) humans


Output: D