Ключевые слова: angry, back, blackboard, child, childhood, class, classroom, depressed, desk, despair, education, elementary, emotion, emotional, expression, extremely, frustrated, girl, grade, homework, indoor, kid, kindergarten, learn, lesson, mad, person, pissed, preschool, primary, problem, pupil, sad, scared, school, schoolchild, schoolgirl, sitting, stress, stressed, stubborn, student, study, table, tantrum, tired, trouble, unhappy, upset, young,