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': 'Most Common infection in Contact Lens user is \nSelect and explain. \nA. Acanthamoeba, B. Pneumococcus, C. Pseudomonas, D. Staphylococcus aureus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Most Common infection in Contact Lens user is Pseudomonas', 'role': 'assistant'}]