adult
afroamerican
asian
attention
business
casual
caucasian
chairs multiethnic
colleagues
communication
conference
corporate
daylight
female
focused
group
improvement
improving
indoor
job
knowledge
learning
lecture
lifestyle
listening
looking at
male
man
men
mixed races
outfit
people
presentation
relationship
room
satisfied
seminar
specialization
teambuilding
thinking
together
woman
women
work
young