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': 'Not true about vibrio 0139: \nSelect and explain. \nA. Can cause disease in distinguishable from E-1 or clinically, B. First isolated in Chennai, C. Has 0 polysaccharide capsule, D. Antibody to V. cholerae is not protective against 0139', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) First isolated in Chennai', 'role': 'assistant'}]