instruction:
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").
question:
Fact1: a battery converts chemical energy into electrical energy, Fact2: Electricity is a form of energy and is sometimes called electrical energy., Question: How does a battery work? (A) dormant state (B) hydrogen and oxygen (C) Throwing it away (D) Charging it (E) It converts power (F) Plugging it in (G) It remains dormant (H) to move people
answer:
E


question:
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
answer:
G


question:
Fact1: knowledge of the stars can be used to navigate, Fact2: Explorers have used the North Star for navigational purposes for centuries., Question: What can be used to find your way if you're lost in the dark? (A) lamphreys (B) Ultraviolet shielding (C) Light shining into it (D) the speed of hearing (E) The north star (F) How to check the temperature (G) Observing tidal waves (H) osculum
answer:

E


