This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanical injuries, Subject name: Forensic Medicine
[{'content': 'Most common organ affected in underwater blast - \nSelect and explain. \nA. Intestine, B. Liver, C. Spleen, D. Hea', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The synopsis of forensic medicine & toxicology ;Dr k.s narayan reddy ; 28th edition ; pg.no. 138 The physical changes are similar to those of explosion in air . injuries occurs mostly in git & less common in lungs .', 'role': 'assistant'}]