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
The below sign is seen in: 
Select and explain. 
A. Granuloma Inguinale, B. Lymphogranuloma venerum, C. Herpes, D. Syphilis
B: Lymphogranuloma venerum
Answer: B: Lymphogranuloma venerum 
Explanation: The figure shows "Groove sign" which is seen in Lymphogranuloma venerum. Enlarged buboes that are seen above and below inguinal ligament that appears like a groove.