Ключевые слова: 2, adult, advice, background, backpack, bearded, casual, caucasian, chatting, cheerful, communication, confident, conversation, daughter, discussing, discussion, explain, expression, family, father, female, friendly, gesticulate, gesture, girl, guy, hand, happy, isolated, lifestyle, listening, male, man, people, person, professor, profile, smile, speaking, standing, student, talk, teacher, teenage, two, white, woman, young, youth,