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': 'Xiphoid fuses with sternum by what age ? \nSelect and explain. \nA. 30 years, B. 35 years, C. 40 years, D. 45 years', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 40 years", 'role': 'assistant'}]