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: Medicine
[{'content': 'Side effects of diphenyl hydantion may include all EXCEPT- \nSelect and explain. \nA. Gingival hyperplasia, B. Acute cerebellar syndrome, C. Inter - nuclear opthalmoplegia, D. Megaloblastic anemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]