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: Surgery
[{'content': 'Excision of the hyoid bone is done in - \nSelect and explain. \nA. Branchial cyst, B. Branchial fistula, C. Thyroglossal cyst, D. Sublingual dermoids', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Thyroglossal cyst", 'role': 'assistant'}]