Ключевые слова: 60s, active, adult, assist, casual, caucasian, class, classmate, classroom, communication, computer, concentration, course, desk, desktop, education, elderly, female, friend, girl, happy, help, internet, keyboard, lab, learn, learning, male, man, men, old, pensioner, people, person, portrait, retired, retirement, school, senior, smile, student, study, technology, typing, using, woman, women,