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").

[EX Q]: Fact1: Cancer cells divide more often than normal cells, and grow out of control., Fact2: Cancer is an example of a mutation in cells., Question: What divide more often than normal cells, and grow out of control? (A) white blood cells (B) Most plants (C) hair cells (D) skin cells (E) Smoking (F) peachleaf willow (G) mutated cells (H) cigarettes
[EX A]: G

[EX Q]: Fact1: a refrigerator is used for keeping food fresh for a long period of time, Fact2: Refrigerators are major users of electricity., Question: What requires a lot of electricity? (A) riding a bicycle (B) An emergency lighting source. (C) repair cells in the human body (D) sleeping on the floor (E) visiting a dam (F) Something that take eight minutes to travel to the Earth (G) Heating a metal filament. (H) keeping food fresh for long periods of time
[EX A]: H

[EX Q]: Fact1: electricity is used as an energy source by electrical devices, Fact2: Once a device is plugged into electrical outlets, it can communicate with other devices., Question: what is used as an energy source to electrical outlets (A) engines (B) rain (C) adding heat (D) copper (E) energy (F) rays or beams (G) wires (H) electricity
[EX A]:
H