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': 'Dicumarol interferes with- \nSelect and explain. \nA. Vitamin K, B. Antithrombin, C. Platelets, D. Plasminogen', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Vitamin K o Dicumarol (an oral anticoagulant) acts by inhibiting Vitamin K dependent clotting factors.", 'role': 'assistant'}]