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: Pharmacology
[{'content': 'A female suffering from psychosis, taking phenothiazines now complains of sudden onset of high grade fever, muscle rigidity and altered sensorium. The diagnosis is - \nSelect and explain. \nA. Malignant hypehermia, B. Neuroleptic malignant syndrome, C. Tardive dyskinesia, D. Akathesia', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Neuroleptic malignant syndrome o History of intake of antipsychotic drugs and high grade fever, muscle rigidity, altered sensorium suggests Neuroleptic Malignant Syndrome.", 'role': 'assistant'}]