This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
[{'content': 'Study light is caused by \nSelect and explain. \nA. Vinca alkaloids, B. Alkylation agents, C. Antimetabolite, D. Antinomycin D', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sterlite and secondary leukemias are distinguish adverse effects of alkylation agents', 'role': 'assistant'}]