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: Growth is faster during infancy than it is during puberty., Fact2: Humans experience their fastest growth rate during fetal development and early infancy., Question: Which period beats puberty for speed of growth? (A) melanin amount (B) fetal development (C) menopause (D) budding (E) several genes (F) mild heating process (G) Seconds and minutes (H) It's inherited from genes

Output: B


Input: Consider Input: Fact1: Most people can survive only a few days without water., Fact2: Water is made up of H2O molecules., Question: what can most people only survive a few days without? (A) NaCl (B) television (C) H20 (D) food (E) rain (F) urea (G) running (H) h2o


Output: H