This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'A man feels his neighbor is following him and planning to kill him. This history is suggestive of : \nSelect and explain. \nA. Delusion of reference, B. Delusion of persecution, C. Delusion of infidelity, D. Delusion of guilt', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Delusion of persecution : Patient believes that someone is going to harm him, his family or his property. It is the most common type of delusion.', 'role': 'assistant'}]