Ключевые слова: background, black, blackboard, box, boy, business, businessman, caucasian, child, concept, cross, crosses, cute, education, gesture, gesturing, good, hand, heart, holiday, imagination, kid, little, love, noughts, out, person, positive, relationship, romance, school, sign, small, student, success, teach, teacher, thumbs up, tic tac toe, valentine, white, young,