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: wiring requires an electrical conductor, Fact2: Wires connected to a source of electricity., Question: An electrical conductor is required for the operation of: (A) water current (B) electricity (C) satellites (D) energy (E) to move people (F) gas lamps (G) trains (H) lightning
B

Fact1: satellites are used to take images from space, Fact2: Satellite images are digital photographs., Question: Satellites are used to take what from space? (A) rapid changes occur (B) snow, ice, and rock (C) trees and flowers (D) painters (E) occurs over a wide range (F) digital photographs (G) digital files (H) photographers
F

Fact1: a light bulb is used for seeing in the dark, Fact2: Incandescent lights heat a metal filament that radiates light inside a glass bulb., Question: What is used for used for seeing in the dark? (A) It gets more light (B) Magnifying glass (C) Heating a metal filament. (D) our nearest star (E) Eyeglasses (F) Electrical energy (G) Electric devices (H) Binoculars
C