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: ENT
[{'content': 'Singular nerve is a - \nSelect and explain. \nA. Superior vestibular nerve supplying posterior semicircular canal, B. Inferior vestibular nerve supplying post semicircular canal, C. Superior vestibular nerve supplying anterior semicircular canal, D. Interior vestibular nerve supplying anterior semicircular canal', 'role': 'user'}, {'content': 'Answer: B \nExplanation: As discussed in the preceding text, singular nerve is a branch of inferior vestibular nerve which supplies the posterior semicircular canal.', 'role': 'assistant'}]