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': 'Adjuvant given along with antigens are going to \nSelect and explain. \nA. increase toxigenicity, B. increase antigenicity, C. reduce the antigenicity, D. reduce the toxigenicity', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]