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: Anatomy
[{'content': 'STYLOHYOID muscle is supplied by \nSelect and explain. \nA. Facial, B. Glossopharyngeal, C. Ansa cervical, D. Vagus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Stylohyoid is a small muscle supplied by the facial nerve. The action of stylohyoid is to pull the hyoid bone upwards and backwards, and with other hyoid muscles, it also fixes the hyoid bone. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.", 'role': 'assistant'}]