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: Pharmacology
[{'content': "A vasopressin analogue does not produce therapeutic effect through vasopressin V-2 receptor in which one of the following - \nSelect and explain. \nA. Central diabetes insipidus, B. Bleeding esophageal varices, C. Type I von Willebrand's disease, D. Primary nocturnal enuresis", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Bleeding esophageal varices", 'role': 'assistant'}]