This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small and Large Intestines, Subject name: Pathology
[{'content': 'Most common site for diverticuiosis is- \nSelect and explain. \nA. Sigmoid colon., B. Ascending colon, C. Transverse colon, D. Spleenic flexure', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e.. Sigmoid colon o The sigmoid colon is the most common site of diverticulosis.", 'role': 'assistant'}]