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: Ophthalmology
[{'content': 'Final centre for horizontal movement of eye is: \nSelect and explain. \nA. Abducent nucleus, B. Trochlear nucleus, C. Oculomotor nucleus, D. Vestibular nucleus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Abducent nucleus', 'role': 'assistant'}]