This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammations of the Cornea, Subject name: Ophthalmology
[{'content': 'Which of the following do not penetrate cornea? \nSelect and explain. \nA. Gonococci, B. Neisseria meningitis, C. Pseudomonas, D. Corynebacterium diphtheria', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) PseudomonasRef: Yanoff& Ducker-ophthalmology 2nded p 04, Khurana 4,hed./ 92', 'role': 'assistant'}]