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: ENT
[{'content': 'Patient with thin painless otorrhoea, multiple perforations of the tympanic membrane and failure to respond to antimicrobial treatment. What is the most probable causative organism ? \nSelect and explain. \nA. Mycobacterium tuberculosis, B. Staphylococcus aureus, C. Candida albicans, D. Aspegillusfumigatus', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Mycobacterium tuberculosis Thin painless otorrhoea, multiple perforations of the tympanic membrane and failure to respond to antimicrobial treatment are the features of tubercular otitis media and it is caused by Mycobacterium tuberculosis.", 'role': 'assistant'}]