Ключевые слова: activity, adult, answering, attendance, audience, auditorium, coat, communicating, confident, course, education, emotions, exam, explaining, group, healthcare, healthguard, indoors, institute, intelligence, interacting, interior, knowledge, lab, lesson, man, medic, medical, medicine, overall, people, person, professor, questions, report, science, smiling, student, studying, talking, teacher, tutor, tutorial, university, whiteboard, woman, workshop, young,