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': 'Antitumor activity is shown by all except ? \nSelect and explain. \nA. Cytotoxic T lymphocytes, B. Natural ki I ler cells, C. Basophils, D. Macrophages', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Basophils", 'role': 'assistant'}]