This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Helminthology, Subject name: Microbiology
[{'content': 'Which of the following eggs is seen in stool microscope examination? \nSelect and explain. \nA. Ascaris, B. Trichuris trichiura, C. Enterobius, D. H. Nana', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Trichuris trichiura.', 'role': 'assistant'}]