This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Forensic Medicine
[{'content': "The' Japanese Detergent suicide Technique' involves mixing of common household chemical to produce - \nSelect and explain. \nA. H2S and other poisonous gases, B. Deadly foam, C. Deadly acidic compound, D. Deadly fluid cyanide compound", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Decay of organic sulfur-containing products such as fish, manure, sewage, septic tank contents, etc. It is produced by bacterial action on sewage effluents containing sulfurcompounds when oxygen has been consumed by excessive organic loading of surface water ("sewer gas"). REF;THE SYNOPSIS OF FORENSIC MEDICINE:KS NARAYANA REDDY;28th EDITION;PAGE NO 360', 'role': 'assistant'}]