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': 'Non bile stained eggs is found in: March 2009 \nSelect and explain. \nA. Ancylostoma duodenale, B. Trichuris trichura, C. Ascaris lumbricoides, D. All of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. A: Ancylostoma duodenale The parsites producing non bile stained eggs are 'NEHA' Necator americanus Enterobius vermicularis (Pinworm) Hymenolepis nana (Dwarf tapeworm) Ancylostoma duodenale (Hookworm)", 'role': 'assistant'}]