This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': "Which one is not the pre cancerous condition \nSelect and explain. \nA. Crohn's disease, B. Ulcerative colitis, C. Leukoplakia, D. Xeroderma pigmentosum", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ideal answer to this question is none but in the given situation.the answer of choice is crohn of inflammatory bowel disease , crohn disease is less likely to be associated with profession to cancer of the bowel ref Robbins 9/e p279', 'role': 'assistant'}]