This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
[{'content': 'Redleg disease is caused by- \nSelect and explain. \nA. Pseudomonas, B. Moudly sugar cane fibre, C. Coniosporium, D. Aeromonas', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Red-leg\' Syndrome in Amphibians. "Red-leg" syndrome is a widespread infection seen in frogs, toads, and salamanders. It is recognized by the redness on the underside of the amphibian\'s legs and abdomen, and is generally due to Aeromonas hydrophila, an opportunistic bacterial pathogen', 'role': 'assistant'}]