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: melting means changing from a solid into a liquid by adding heat energy, Fact2: When a substance melts, it changes phase from a solid to a liquid by the application of heat., Question: What can be done to a solid by adding heat energy? (A) massive damage (B) phasing the bubbles (C) It expands (D) cooling the center (E) Evaporation (F) changing the phase (G) removing the air (H) Water expanding
[A]: F


[Q]: 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
[A]: E


[Q]: Fact1: Mammals generate heat mainly by keeping their metabolic rate high., Fact2: Excess body weight raises metabolic heat production., Question: What raises metabolism? (A) cigarettes (B) Chlorophyll (C) Chemical energy (D) aerobic capacity (E) fossil fuels (F) Fully cooking the oysters (G) smoking cigarettes (H) excess body weight
[A]:
H