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: Centrioles are organelles involved in cell division., Fact2: Mitosis is cell division., Question: What are organelles involved in mitosis? (A) animals (B) Conifers (C) Most plants (D) it needs them (E) graptolites (F) fur seals (G) centrioles (H) sensory neurons

Output: G


Input: Consider Input: Fact1: an electron microscope is used for seeing very small objects by making them appear bigger, Fact2: Microscopes range from a simple magnifying glass to the expensive electron microscope., Question: What can make small objects seem bigger? (A) Movement of an air mass (B) a ruler (C) reflecting light (D) a wheelchair (E) a magnifying glass (F) graduated cylinder (G) movement of tectonic plates (H) Light passing through water


Output: E