This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Pathology
[{'content': 'Acquired diverticulum most common site is: \nSelect and explain. \nA. Sigmoid colon, B. Ileum, C. Ascending colon, D. Transverse colon', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Sigmoid colon(Ref: Robbins 9th/pg 751)True diverticulum is defined by the presence of all three layers of the bowel wall. QMost common true diverticulum is the Meckel diverticulum, which occurs in the ileum.Acquired diverticula: Most common site: sigmoid colon Q', 'role': 'assistant'}]