This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Drugs, Subject name: Medicine
This lesions are seen in Behcet syndrome. What is the treatment of this condition? 
Select and explain. 
A. Prednisolone, B. Thalidomide, C. Infliximab, D. Rituximab
B: Thalidomide
Answer: B: Thalidomide 
Explanation: Ans. B. Thalidomidea. Image shows oral mucosal ulceration, found in Behcet's syndromeb. Thalidomide is approved for treatment of this condition.