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': "A patient, resident of Himachal Pradesh presented with a series of ulcers in a row, on his right leg. The biopsy from the affected area was taken and cultured on Sabouraud's Dextrose agar. What would be the most likely causative organism ? \nSelect and explain. \nA. Sporothrix schenckii, B. Cladosporium spp., C. Pseudoallescheria boydii, D. Nocardia", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]