Ключевые слова: both male and female, boy, carte blanche, caucasian ethnicity, child, childhood, classroom, differential focus, education, elementary school, elementary school student, failure, female, frowning, girl, grade, holding, indoors, learning, lesson, looking, male, paper, portuguese, portuguese ethnicity, presentation, sadness, schoolboy, schoolgirl, standing, teacher, teaching, three people, woman, young adult, young woman,