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': 'Damage caused by bullet depends upon: \nSelect and explain. \nA. Size, B. Weight, C. Velocity, D. Shape', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Velocity', 'role': 'assistant'}]