Ключевые слова: anger, arrow, business, call, cartoon, clerk, complaint, consultation, contact, customer service, desktop computer, elderly, face, facial expression, failure, female, get angry, grandfather, headset, holding head, illustration, impatience, inquiry, internet, isolated, job, male, man, middleaged, mobile phone, old man, operator, opinion, person, personal computer, problem, question, receptionist, response, senior, set, smartphone, telephone, trouble, troubled face, upper body, white background, window, worry,