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: measuring the hardness of minerals requires scratching those materials, Fact2: To figure out the hardness of a mineral, the Moh's scale of hardness is used., Question: the Moh's scale of hardness is used by doing what to the materials (A) heating (B) tool extensions (C) protection (D) classified (E) scratching (F) as a base (G) how they move (H) Cladistics

Output: E


Input: Consider Input: Fact1: seeing requires light, Fact2: Sight is the mere ability to see, and the eye's responses to light shining into it., Question: What do eyes require? (A) a form of oxygen (B) Light shining into it (C) Exposure to oxygen and water (D) A dark environment (E) Contact lenses (F) melanin amount (G) tissue made of chondrocytes (H) Glasses

Output: B


Input: Consider Input: Fact1: predicting weather requires studying weater, Fact2: Meteorologists study weather conditions and prepare current and long range weather forecasts., Question: Doing what requires preparing current and long range weather forecasts? (A) communication (B) With feedback loops (C) rapid changes occur (D) feedback mechanisms (E) predicting weather (F) sheltering strays (G) 70-75 degrees Fahrenheit (H) calibrated


Output: E