This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Bacterial Diseases in Children, Subject name: Pediatrics
[{'content': 'The most common pathogenic organism causing pyogenic liver abscess in children is: \nSelect and explain. \nA. Staphylococcus aureus, B. H Influenzae, C. Entamoeba Histolytica, D. Klebsiella', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In children with pyogenic liver abscesses, the most common pathogenic organisms include Staphylococcus aureus', 'role': 'assistant'}]