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 Input:
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 Output:
H


Ex Input:
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

Ex Output:
A


Ex Input:
Fact1: a compass is used for determining direction, Fact2: Magnets are used in compasses., Question: What can magnets be used to do? (A) capture prey (B) moving over land (C) feedback mechanisms (D) Destroy magnets (E) reproduce (F) help other species benefit (G) Direct a play (H) Determine direction

Ex Output:

H