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: 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

A: H
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Q: Fact1: telephones are used for communication by two people by transmitting sound, Fact2: And the sound of their voice becomes important as well., Question: What is transmitted with telephones? (A) voice (B) copper (C) waves (D) smell (E) cancer (F) energy (G) HIV (H) power

A: A
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Q: Fact1: Cells are programmed to divide only a set number of times., Fact2: Mitosis is a process by which cells divide., Question: what are cells programmed to do a set number of times? (A) mutate (B) digest (C) respire (D) mitosis (E) grow (F) reproduce (G) relocation (H) migrate

A:
D
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