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: Gynaecology & Obstetrics
[{'content': 'Most common site for Krukenberg tumour is : \nSelect and explain. \nA. Breast, B. Lung, C. Stomach, D. Large bowel', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Stomach', 'role': 'assistant'}]