Ключевые слова: angry, background, bad, business, cartoon, character, cheerful, concept, customer, depressed, depression, emoticon, emotion, emotional, emotions, expression, face, facial, feedback, feeling, female, flat, good, happiness, happy, head, human, icon, isolated, man, mood, negative, people, person, portrait, positive, problem, quality, rating, sad, sadness, satisfaction, service, set, smile, symbol, unhappy, white, woman, young,