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").

Q: Fact1: an incandescent light bulb converts electricity into light by sending electricity through a filament, Fact2: Electrical energy is also energy., Question: What part of a light bulb has energy run through it, converting energy into light? (A) adding heat (B) sun's heat (C) cotton (D) heat energy (E) glass (F) light (G) filaments (H) broken light bulbs

A: G
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Q: Fact1: insulated material can be used for keeping warm, Fact2: An insulated cup with a cover is great for keeping beverages warm., Question: How do you keep a cup hot? (A) less water (B) electricity (C) heat energy (D) adding heat (E) energy usage (F) insulation (G) squeeze (H) energy

A: F
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Q: Fact1: seasons cause change to the environment, Fact2: An ecosystem is an environment and all the members of that environment., Question: What is something that changes an ecosystem? (A) seasons (B) herbicide (C) animals (D) Pesticides (E) flooding (F) wind (G) influenza (H) climate

A:
A
****