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
Hospital acquired organisms are all except - 
Select and explain. 
A. Staphylococcus, B. Acinetobacter, C. Streptococcus, D. Pseudomonas
B: Acinetobacter
Answer: B: Acinetobacter 
Explanation: None