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: Forensic Medicine
[{'content': 'Bacteria helpful in adipocere formation: March 2004 \nSelect and explain. \nA. Staphyococcus, B. E. coli, C. B. proteus, D. Cl. welchii', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Cl. welchii', 'role': 'assistant'}]