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': 'Viral Conjunctivitis is most commonly caused by \nSelect and explain. \nA. Herpes simplex, B. Enterovirus, C. Adenovirus, D. Coxackie A Virus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Viral Conjunctivitis is most commonly caused by Adenovirus.', 'role': 'assistant'}]