This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'The site of mucosal tear in Mallory-Weiss syndrome is \nSelect and explain. \nA. Stomach, B. Small intestine, C. Colon, D. Esophagus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Forceful vomiting may produce a veical mucosal tear/split in gastric mucosa, immediately below the squamocolumnar junction at the cardiac in 90% cases. Reference Bailey and love&;s edition: 24 page no.999', 'role': 'assistant'}]