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: Surgery
[{'content': 'Which of the following organisms produces signs and symptoms that mimic acute appendicitis? \nSelect and explain. \nA. Enteropathic Escherichia coli, B. Enterobius vermicularis, C. Trichomonas hominis, D. Yersinia enterocolitica', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Yersinia enterocolitica", 'role': 'assistant'}]