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: Anatomy
[{'content': 'Parasympathetic nerve supply to salivary glands is by \nSelect and explain. \nA. VII and IX cranial nerves, B. IX and X cranial nerves, C. V and X cranial nerves, D. VII and IX spinal nerves', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]