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: Pharmacology
Hand and foot syndrome is due to ? 
Select and explain. 
A. Vincristine, B. Cisplatin, C. 5 FU, D. Azathioprine
C: 5 FU
Answer: C: 5 FU 
Explanation: Ans. is 'c' i.e., 5 FU