This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head & Neck, Subject name: Anatomy
[{'content': 'Which of the nerve is known as criminal nerve of Grassi? \nSelect and explain. \nA. Vagus nerve, B. Trigeminal nerve, C. Hypoglossal nerve, D. Abducent nerve', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Vagus nerveNerve of Grassi is the name given to the branches of posterior vagal trunk which arises at the level of gastroesophageal junction and supplies the gastric fundus', 'role': 'assistant'}]