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").

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
H

Fact1: heat can change the state of matter, Fact2: Heat and temperature are the same thing., Question: What can change the state of matter? (A) temperature (B) color (C) a-a gradients (D) electricity (E) hypothyroidism (F) fossil fuels (G) global warming (H) flavor
A

Fact1: Puberty is the period during which humans become sexually mature., Fact2: Boys enter puberty at about 12 years of age., Question: When is when boys become sexually mature? (A) death (B) winter (C) trees and flowers (D) 40 years old (E) 5 years old (F) coelenterates (G) 12 years old (H) weater
G