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: Urine is the liquid waste product of the body that is excreted by the urinary system., Fact2: Mammals excrete urea in the watery form of urine ., Question: What is a waste product of the body that is excreted by the urinary system? (A) potash (B) food (C) CO 2 (D) sugar (E) urea (F) liquid (G) H 2 O (H) sulfur
E

Fact1: Cancer is a disease that occurs when the cell cycle is no longer regulated., Fact2: Cancer is a defect in regulation of the cell cycle., Question: cancer is a defect that occurs when there is no longer regulation of what? (A) injections (B) breathing (C) disease (D) cycles (E) glucose (F) the skin (G) Energy (H) attitude

D