Ключевые слова: 25s, 55s, adult, african, american, associates, business, caucasian, classroom, coach, confident, cooperation, course, coworkers, debate, desk, discussion, education, emotion, exam, female, focusing, friendly, girl, grouped, indoors, interacting, interesting, international, learn, looking, male, man, mature, meeting, occupation, partnership, person, portrait, positivity, professionality, smiling, startup, student, study, teaching, team, togetherness, training,