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: Surgery
[{'content': 'Drug induced poal hypeension is seen with ? \nSelect and explain. \nA. Vitamin A toxicity, B. Methotrexate, C. Aldomet, D. Valproic acid', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Vitamin A toxicity", 'role': 'assistant'}]