10s
812
activity
african
afro
american
appearance
attendance
casual
child
class
classmates
classroom
course
disease
educational
elementary
epidemic
ethnicity
face
female
flu
girl
group
indoors
infection
intelligent
kid
lesson
lifestyle
mask
notebook
notes
occupation
person
portrait
primary
process
protection
quarantine
school
sitting
student
studying
togetherness
writing
young