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
[{'content': 'Methotrexate should be given with which of the following to decrease its side effects ? \nSelect and explain. \nA. Folic acid, B. Cyanocobalamin, C. Thiamine, D. Folinic acid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]