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
All may cause traumatic asphyxia, except: Al 09 
Select and explain. 
A. Railway accident, B. Road traffic accident, C. Accidental strangulation, D. Stampede
C: Accidental strangulation
Answer: C: Accidental strangulation 
Explanation: Ans. Accidental strangulation