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': 'Rectified spirit not used as preservation in case of- \nSelect and explain. \nA. Phenol, B. Cyanide, C. Insecticides, D. Aluminium phosphide', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Rectified spirit is used in all poisonings except phenol, phosphorus, paraldehyde, kerosene, formaldehyde, formic acid, alcohol, acetic acid, chloroform, chloral hydrate and ether.', 'role': 'assistant'}]