This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Esophagus, Subject name: Surgery
[{'content': 'LES pressure is decreased by all except: \nSelect and explain. \nA. Alcohol, B. Gastrin, C. Fat, D. Peppermint', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lower Esophageal Sphincter (LES) Pressure Decreased by Increased by Prostaglandin E1 and E2, Progesterone Theophylline Barbiturates, Diazepam, Dopamine CCB, Atropine, Nitrates Chocolate, Coffee Alcohol, Pippermint Smoking, Fat Bombesin, Angiotensin II PP, Substance P, Motilin Gastrin Antacids Cholinergics Domeperidone Metoclopramide PMT BD CAN decrease LES pressure; Prostaglandin E1 and E2, Progesterone, Morphine and Meperidine, Theophylline, Barbiturates, Diazepam, Dopamine, CCB, Atropine Nitrates CAPS Fat decrease LES pressure: Chocolate, Coffee, Alcohol, Pippermint, Smoking, Fat. PSM BAG increase LES pressure: PP, Substance P, Motilin, Bombesin, Angiotensin II, Gastrin', 'role': 'assistant'}]