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annoyed
away
blackboard
bored
boredom
boy
caucasian
chalkboard
child
class
classroom
desk
displeasure
dissatisfaction
education
exhausted
female
greenboard
irritated
knowledge
leaning
learner
looking
male
occupation
one
overwork
people
person
professional
professor
school
sitting
student
teacher
teenager
tired
tiredness
two
unhappy
upset
woman
working
young