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
Post moem lividity is not seen in ? 
Select and explain. 
A. Drowning in well, B. Drowning in a fast flowing river, C. Postmoem submersion, D. Drowning in chlorinated swimming pool
B: Drowning in a fast flowing river
Answer: B: Drowning in a fast flowing river 
Explanation: Ans. is 'b' i.e., Drowning in a fast flowing river