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: when a metal rusts , that metal becomes orange on the surface, Fact2: Iron rusts in the presence of oxygen and water., Question: Exposure to oxygen and water can cause iron to  (A) decrease strength (B) melt (C) uncontrollable burning (D) thermal expansion (E) turn orange on the surface (F) vibrate (G) Extremes of temperature (H) levitate

Output: E


Input: Consider Input: Fact1: a seismograph is used for measuring the size of an earthquake, Fact2: When earthquakes occur near cities of any size, the potential for damage is great., Question: A seismograph is used to measure the what of damage done by an occurrence? (A) hail (B) color (C) shape (D) stoma (E) size (F) death (G) attraction (H) homes

Output: E


Input: Consider Input: Fact1: Absorption of nutrients occurs mainly in the small intestine., Fact2: Gastrointestinal GI dysfunction can inhibit Mg absorption from the small intestine., Question: What is one thing that is absorbed in the GI tract? (A) Lymph fluid (B) keratin (C) thoughts (D) antigens (E) Lymphocytes (F) magnesium (G) oxygen (H) neurons


Output: F