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': 'Which of the following is not a branch of anterior trunk of vagus \nSelect and explain. \nA. Motor nerve to gallbladder, B. Motor Nerve to pylorus., C. Criminal nerve of grassi, D. Anterior nerve of latarjet', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Criminal nerve of grassi is a branch of posterior trunk.', 'role': 'assistant'}]