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: Anaesthesia
[{'content': 'The ventilation chart shown depicts \nSelect and explain. \nA. Continuous mandatory breaths, B. Synchronised intermittent mandatory breath, C. Continuous spontaneous ventilation, D. Continuous positive airway pressure.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: When mandatory breaths are triggered by patient, it is called synchronised intermittent mandatory breath.', 'role': 'assistant'}]