Ключевые слова: african, african american, american, black, book, boy, business, caucasian, child, childhood, children, class, classroom, college, concept, education, elementary, elementary student, female, girl, hand, hand raised, kid, knowledge, learn, learning, lesson, little, male, man, medium group of people, mixedrace, multiracial, occupation, people, person, pointing, preschool, pupil, raised, school, student, study, studying, teacher, teaching, unaltered, university, young, young adult, young male,