20s
academic
attention
attentive
book
books
casual
casuals
caucasian
chinese
class
classmates
college
concentration
cooperation
desk
education
female
focused
holding
indian
indoors
information
institute
knowledge
learn
learning
lecture
lecture hall
lesson
line
male
man
mixedrace
pen
row
school
seminar
sitting
students
study
studying
table
university
woman
writing
young adult