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: Anatomy
Main motor nerve supply to the pharynx is: 
Select and explain. 
A. Vagus nerve, B. Accessory nerve, C. Glossopharyngeal nerve, D. Facial nerve
B: Accessory nerve
Answer: B: Accessory nerve 
Explanation: None