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: Pathology
[{'content': 'Most common site for diveiculosis 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 The sigmoid colon is the most common site of diveiculosis.", 'role': 'assistant'}]