This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oesophagus, Subject name: Surgery
[{'content': 'Boerhaave syndrome is due to: \nSelect and explain. \nA. Burns, B. Vomiting, C. Stress, D. Acid ingestion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) vomitingRef Bailey and Love 27th edition, Page 1073* Vomiting against closed Glottis leads to Boerhaave syndrome.* Vomiting against closed LES leads to Mallory Weiss tear.', 'role': 'assistant'}]