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 Q]: Fact1: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Light bulbs are rated in Watts., Question: How is converted energy into light energy rated? (A) energy (B) unique (C) heat (D) good (E) watts (F) parsec (G) kilojoule (H) kinetic energy
[EX A]: E

[EX Q]: 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
[EX A]: F

[EX Q]: Fact1: friction causes an object to lose energy, Fact2: Friction occurs when surfaces rub together., Question: what causes an object to lose energy? (A) high temperature (B) electron transport (C) degrees celcius (D) surfaces rubbing together (E) heat is produced (F) degrees Celsius (G) depress neuronal excitability (H) a tree falling
[EX A]:
D