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': 'Amoebae not found in human intestine: \nSelect and explain. \nA. E. histolytica, B. E. colt, C. E. nana, D. E. gingivalis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. d. E. gingivalis', 'role': 'assistant'}]