Day,30-35 Years,Mid-Adult,Mid-Adult Man,Middle-Aged,Middle-Aged Man,Whites,Business,Arm,Group Of People,Indoors,Mid-Adult Woman,Enjoyment,35-40 Years,40-45 Years,Sitting,Gesturing,Middle-Aged Woman,Adult,Woman,Man,Well-Dressed,Learning,Teaching,Photography,colour,Office Worker,Writing,Professional,Audience,Office Chair,Conference Room,Applauding,Tile,Speaker,Curtain,seminar –