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': 'Apa from Escherichia coli, the other most common organism implicated in acute suppurative bacterial peritonitis is- \nSelect and explain. \nA. Bacteroides, B. Klebsiella, C. Peptostreptococcus, D. Pseudomonas', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Bacteroides", 'role': 'assistant'}]