Ключевые слова: 10 years old, 1012 years, 9 years old, africanamerican, american, boy, cameroonian, caucasian, chatting, child, childhood, conversation, discussion, diverse, european, explaining, female, french, friends, friendship, german, girl, gossip, group, interesting, juvenile, kid, leisure, listening, multiracial, nigerian, outdoor, outside, pastime, person, recreational, sitting, social, stair, step, summer, talking, urban, vacation, youth,