Ключевые слова: adult, asking, audience, business, businessman, caucasian, center, class, coach, coaching, concept, conference, congress, consulting, convention, corporate, crowd, discussion, diverse, education, event, explaining, front, group, hall, human, listening, man, meeting, office, people, person, presentation, professional, question, room, seminar, sitting, speaker, speech, standing, talk, teaching, team, training, university, view, workshop, young,