Ключевые слова: adult, african, american, apartment, ask, asking, attendance, attending, attention, black, busy, call, calling, casual, cell, cellphone, cellular, center, communicating, conversation, couch, custom, customer, diverse, ear, electronic, ethnic, female, girl, happy, help, holding company, home, house, indoor, information, lady, laugh, loan, look, luxury, mobile, people, person, phone, receiving, request, service, sitting, smart, smartphone, smiling, speak, speaking, student, support, talk, talking, technology, teen, teenage, teenager, telephone, using, window, wireless, woman, work, young,