Ключевые слова: 60s, active, adult, casual, caucasian, chin, class, classmate, classroom, coffee, computer, concentration, confident, cup, desk, desktop, education, elderly, female, girl, hand, happy, internet, keyboard, lab, learn, learning, male, man, men, old, pc, pensioner, people, person, retired, retirement, senior, smile, student, study, technology, woman, women,