Ключевые слова: aggressive, alert, angry, animal, background, barking, best, buddy, canine, collar, companion, confidence, cute, defense, dog, doggy, domestic, fence, friend, friendship, front, funny, furry, gate, green, guard, home, house, lick, looking, mammal, nature, outdoor, outside, pal, pedigreed, pet, plank, protection, puppy, safety, security, service dog, stained, teeth, vicious, watch dog, watching, wood, wooden,