This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 1, Subject name: Forensic Medicine
[{'content': 'Smell of bitter almonds is seen in poisoning with: \nSelect and explain. \nA. Phosphorus, B. Hydrocyanic acid, C. Nitric acid, D. Oxalic acid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Smell about mouth & Nose- 1) Garlic-like- Phosphorus, Arsenic, Organophosphates Thallium, Selenium, Dimethylsulphoxide. 2) Sweetish or fruity- Ethanol, Chloroform, Nitrites. 3) Acrid (pear like)- Paraldehyde, Chloral hydrate. 4) Rotten eggs- Hydrogen Sulphide, Mercaptans, Disulfiram. 5) Fishy or musty- Zn Phosphide, Aluminium phosphide 6) Bitter almonds- Cyanides, HCN 7) Shoe polish- Nitrobenzene 8) Burnt rope- Marijuana (Cannabis) 9) Vinegar: Acetic acid', 'role': 'assistant'}]