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': 'Primary feature of small intestinal obstruction ? \nSelect and explain. \nA. Fever, B. High peristalsis with colic, C. Abdominal distension, D. Empty rectum', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., High peristalsis with colic", 'role': 'assistant'}]