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 gland is by: \nSelect and explain. \nA. IX & VII cranial nerves, B. V & IX cranial nerves, C. V & X cranial nerves, D. IX & X cranial nerve', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]