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': 'Which of the following organism can cause luminescence in a post moem of body? \nSelect and explain. \nA. Pseudomonas, B. Armillaria mellea, C. E. coli, D. Anaerobic bacteria', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Postmoem luminescence may be due to contamination by, Bacteria photobacterium fischeri Fungus armillaria mellea. Ref: Textbook Of Forensic Medicine And Toxicology: Principles And Practice By Vij, 3rd edition, Page 133-138.', 'role': 'assistant'}]