Ключевые слова: 3d, 3d composite, 3d generated image, 67 years, academic, advertisement, asking, backgrounds, blank, boy, boys, caucasian, caucasian ethnicity, cheerful, child, childhood, composite image, computer graphic, copy space, costume, cute, development, digital generated, doubt, dressed up, early learning, education, elementary, elementary school, empty, full frame, graphic, gray background, happy, illustration, knowledge, lab coat, learn, learning, male, one person, pointing, preschool, punctuation, pupil, question, question mark, school, schoolchild, smiling, uncertainty, unknown, unsure, vignette, white color,