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': 'Coconut cake rectum is seen in \nSelect and explain. \nA. T. trichura, B. E. Vermicularis, C. A. Duodenale, D. N. Americanus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: T. trichura also known as whipworm causes coconut cake rectum in children.', 'role': 'assistant'}]