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': 'Most common cause of small intestine obstruction \nSelect and explain. \nA. Malignancy, B. Adhesions, C. Crohn’s disease, D. Hernias', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Causes of small bowel obstrucon Post op adhesions > Malignancy > Crohn disease > Hernia', 'role': 'assistant'}]