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: Pathology
[{'content': "Ulceration of Peyer's patches occur in _________ infection \nSelect and explain. \nA. Amoebiasis, B. Crohn's, C. Salmonella, D. Clostridium difficile", 'role': 'user'}, {'content': "Answer: C \nExplanation: The Peyer's patches show oval ulcers with their long axis along the length of the bowel in typhoid ulcer (salmonella infection).", 'role': 'assistant'}]