Ключевые слова: animal, artificial, breed, canine, caucasian, chocolate, colleagues, companion, curious, doberman, dog, education, female, friend, grass, handlers, indoors, inside, instructor, labrador, lady, lying, mammal, master, obedience, owner, people, pet, pinscher, puppies, retriever, school, session, synthetic, trainer, training, two, watching, woman, women, working,