This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
[{'content': 'In a patient of carcinoma tongue, the infiltration of which muscle causes ankyloglossia \nSelect and explain. \nA. Styloglossus muscle, B. Genioglossus muscle, C. Mylohyoid muscle, D. Palatoglossus muscle', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ankyloglossia is due to involvement of muscles of tongue SRB,5th,391.', 'role': 'assistant'}]