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").
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Question: Fact1: All chemical reactions require activation energy to get started., Fact2: Chemical changes are a result of chemical reactions., Question: What is required before a chemical change? (A) kinetic energy (B) energy usage (C) activation push (D) activation energy (E) activation switch (F) activation power (G) Burning fuel and air (H) Evaporation

Answer: D


Question: Fact1: cold fronts cause thunderstorms as they pass by, Fact2: Thunderstorms create havoc., Question: What do cold fronts cause? (A) death (B) complex (C) wind (D) streams (E) deadly (F) disease (G) havoc (H) mildew

Answer: G


Question: Fact1: a ruler is used for measuring the length of an object, Fact2: Meters are the standard to express measurement of length., Question: What tool might measure something in meters? (A) A scale (B) microscope (C) bamboo (D) A protractor (E) feet (F) A ruler (G) biceps (H) A thermometer

Answer:
F