This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy 3, Subject name: Anatomy
[{'content': 'Nerve carrying parasympathetic fibres are : \nSelect and explain. \nA. Cranial nerves 3,5,7,10 and S1-5, B. Cranial nerves 3,7,9,10 and S2-4, C. Cranial nerves 5,7,9,10 and S1-5, D. Cranial nerves 3,5,7,10 and S2-4', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Para sympathetic flow is cranio-sacral flow carried by cranial nerves 3,7,9,10 and the sacral nerves S-2,3,4.These nerves carry the preganglionic fibres to their respective ganglia.', 'role': 'assistant'}]