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
Dark brown post mortem lividity is seen in- 
Select and explain. 
A. Aniline, B. CO, C. Phosphorus, D. Hydrocyanide
C: Phosphorus
Answer: C: Phosphorus 
Explanation: Phosphorus poisoning causes dark brown or yellow postmortem staining.