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: Pathology
[{'content': 'Which of the following tumours have an increase delevation of placental alkaline phosphatase in the serum as well as a positive immunohistochemical staining for placental alkaline phosphatase? \nSelect and explain. \nA. Seminoma, B. Hepatoblastoma, C. Hepatocellular carcinoma, D. Peripheral neuroectodermal tumour', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . Seminoma', 'role': 'assistant'}]