This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexually transmitted diseases, Subject name: Dental
[{'content': 'Ulcer on penis which bleeds on touch, is feature that best in which of the following - \nSelect and explain. \nA. Donovanosis, B. Syphilis, C. Herpes genitalis, D. LGV', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Donovanosis is caused by Klebsiella granulomatis. There is a single ( sometimes multiple) asymptomatic ulcer . Floor is made of beefy , exuberant granulation tissues which bleeds easily on manipulation. From illustrated synopsis of dermatology and sexually transmitted diseases neena khanna 5th edition page no 329', 'role': 'assistant'}]