20s
30s
academic
adult
africanamerican
american
audience
cameroonian
caucasian
class
classroom
coat
college
discussion
doctor
education
european
female
french
german
group
higher
indoors
intern
kenyan
knowledge
lab coat
learning
lecturer
listening
male
man
medicine
nigerian
occupation
person
physician
professional
professor
research
school
science
scientist
seminar
student
teacher
university
woman