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: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Wind belts in the Atlantic Ocean include the trade winds and the prevailing westerlies ., Question: What causes the westerlies? (A) flow of electrons (B) Ocean currents (C) Precipitation (D) to move people (E) Drought (F) scattered light (G) Uneven heating by the sun (H) exposure to cold
[EX A]: G

[EX Q]: Fact1: telephones are used for communication by two people by transmitting sound, Fact2: Cell phones are, bottom line, radios with a connection to a telephone company., Question: What are used for two people for communication with sound? (A) cell phones (B) messengers (C) energy (D) megaphones (E) A Greek letter (F) flashlights (G) gramophones (H) electricity
[EX A]: A

[EX Q]: Fact1: a light bulb requires electrical energy to produce light, Fact2: Electrical energy is also energy., Question: What requires energy to produce light? (A) humans (B) an object (C) gasoline (D) tulip bulb (E) to move people (F) light bulb (G) microscope (H) cactuses
[EX A]:
F