This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rectum, Subject name: Surgery
[{'content': "Most common cause of PR bleeding is - \nSelect and explain. \nA. Diverticulosis, B. Hemorrhoids, C. Croh's Disease, D. CA Colon", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans- B Most common cause of PR bleed is hemorrhoids. Most common cause of significant lower GI tract bleed is diverticulosis', 'role': 'assistant'}]