Ключевые слова: activities, adult, attendance, attentive, auditorium, brazilian, caucasian, chilean, class, classmates, college, communicating, course, driving school, educating, educational, emotion, ethnic, euroepan, explication, female, french, german, group, hall, indoors, interacting, latino, lecturing, lesson, listening, male, man, multinational, notes, person, portrait, process, science, seminar, session, speech, student, studying, taxi, team, togetherness, university, woman, writing,