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': 'Post moem lividity is not seen in ? \nSelect and explain. \nA. Drowning in well, B. Drowning in a fast flowing river, C. Postmoem submersion, D. Drowning in chlorinated swimming pool', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Drowning in a fast flowing river", 'role': 'assistant'}]