instruction:
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").
question:
Fact1: satellites are used to take images from space, Fact2: Images of Earth taken from space., Question: Images of Earth are taken by (A) satellites (B) light (C) Communication (D) millions (E) radar (F) Plate tectonics (G) moving plates (H) lamphreys
answer:
A


question:
Fact1: friction causes an object to lose energy, Fact2: Objects An object can be one of several things., Question: What does friction cause things to lose? (A) heat (B) moisture (C) toughness (D) Energy. (E) traits (F) light (G) energy (H) cartilage
answer:
G


question:
Fact1: sound can be used for communication by animals, Fact2: Sound vibrations have different frequencies., Question: What  can be used for communication by animals? (A) electricity (B) energy (C) Telephones. (D) Vibrations. (E) Stuffed animals. (F) messengers (G) courtship (H) Cellular communication.
answer:

D