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: Medicine
[{'content': "In which one of the following diseases are intestinal polyps associated with malignancy ? \nSelect and explain. \nA. Ulcerative colitis, B. Crohn's disease, C. Gardner's colitis, D. Peutz-jegher's syndrome", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]