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: Microbiology
[{'content': 'Phagocytosis of C.neoformans is inhibited by ? \nSelect and explain. \nA. Cryptococcal capsular material, B. The size of the yeast cells, C. The cells walls, D. Toxins produced by the organism', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Cryptococcal Capsular material Virulence factor of cryptococcus neoformans Polysaccharide capsule --> Inhibits phagocytosis by WBC Melanin production --> Due to enzyme phenolic oxidase", 'role': 'assistant'}]