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
A dead body in casuality showed fine leathery froth coming out of the month and nostrils; and it comes out profusely on pressing the chest wall; cause is - 
Select and explain. 
A. Drowning, B. Morphine poisoning, C. Strangulation, D. Dhatura poisoning
A: Drowning
Answer: A: Drowning 
Explanation: Fine lathery froth in mouth and nose which increases on chest compression → specific finding of drowning.