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: Medicine
Sulphasalazine is NOT used for the treatment of 
Select and explain. 
A. Crohn's disease, B. Rheumatoid arthritis, C. Sarcoidosis, D. Ulcerative colitis
C: Sarcoidosis
Answer: C: Sarcoidosis 
Explanation: None