Ключевые слова: academic, ad, advertise, advertisement, advertising, announcement, background, banner, billboard, blank, board, boy, business, casual, caucasian, cheerful, child, childhood, copy space, education, empty, gesturing, hand, handsome, happiness, happy, holding, isolated, joyful, kid, male, message, people, person, placard, positive, poster, presentation, school, schoolboy, showing, sign, signboard, smile, student, teenager, text, young, youth, youthful,