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: Dental
[{'content': 'A 40 year old male patient has a large, foul smelling  ulcer with bright red granulation tissue over the glans penis. There was no lymphadenopathy. The most likely diagnosis is: \nSelect and explain. \nA. Syphilis, B. Chancroid, C. LGV, D. Granuloma inguinale', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ulcer with red granulation tissue (beafy red) and absence of lymph nodes suggests the diagnosis of granuloma inguinale or Donovanosis.', 'role': 'assistant'}]