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': 'Micro-organisms invading the GIT causing gasteroenteritis - \nSelect and explain. \nA. EHEC, B. Shigella, C. Vibryo parahemolyticus, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'a' i.e., EHEC, 'b' i.e., Shigella, 'c' i.e., Vibryo parahemolyticus Invasion of the intestinal epithelium occurs in? . Shigella . Salmonella sp. . Campylobacter . EHEC & EIEC . Vibrio parahemolyticus . Yersinia parahemolyticus . C. difficale . E. histolytica", 'role': 'assistant'}]