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': 'The below sign is seen in: \nSelect and explain. \nA. Granuloma Inguinale, B. Lymphogranuloma venerum, C. Herpes, D. Syphilis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The figure shows "Groove sign" which is seen in\xa0Lymphogranuloma venerum. Enlarged buboes that are seen above and below inguinal ligament that appears like a groove.', 'role': 'assistant'}]