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': 'An organism grown on agar shows green coloured colonies, likely organism is ? \nSelect and explain. \nA. Staphylococcus, B. Streptococcus, C. Pseudomonas, D. E. coli', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Pseudomonas", 'role': 'assistant'}]