This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Folie a deux is seen in \nSelect and explain. \nA. OCD, B. Paranoid, C. Hysteria, D. Neurasthenia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It is shared delusional disorder.', 'role': 'assistant'}]