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 tumor has increased activity of C-KIT? \nSelect and explain. \nA. Granulosa cell tumor, B. Embryonal carcinoma, C. Seminoma, D. Chriocarcinoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Overexpression of C-KIT is seen in\xa0\na) Seminoma\nb) Melanoma\nc) AML\nd) GIST', 'role': 'assistant'}]