Ключевые слова: adult, audience, brainstorming, business, casual, caucasian, center, class, coach, concentration, conference, confidence, congress, convention, cooperation, corporate, creative, crowd, education, event, explaining, finance, gesturing, group, human, ideas, indoors, instructor, intelligence, large, listening, meeting, men, occupation, office, participant, partnership, people, presentation, professional, professor, seminar, sitting, smart, success, teaching, team, training, university, young,