Ключевые слова: adult, anger, behavior, birdcage, brain, cage, captivity, closed, communication, complication, concept, constrained, constraint, control, dependence, difficulties, emotion, escape, expressive, face, freedom, head, human, imagination, independent, inside, intelligence, liberate, lifestyle, limitation, loneliness, male, man, mental, mind, people, person, power, prison, prisoner, problem, psychology, rights, self, social, solitude, struggle, suffering, symbol, unhappy,