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': 'Shiga toxin is preduced by? \nSelect and explain. \nA. Enteropathogenic E coli, B. Enteroinvasive E coli, C. Enterohemorrhagic E coli, D. Enterotoxigenic E coli', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Enterohemorrhagic E coli", 'role': 'assistant'}]