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: Pediatrics
[{'content': 'Combination chemotherapy is not indicative in? \nSelect and explain. \nA. Primary complex, B. Acute epiglottitis, C. Laryngotracheobronchitis, D. Immunologically supressed patients', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., Laryngotracheobronchitis "Antibiotics may be useful in case of epiglotitis, but not in viral laryngotracheobronchitis".', 'role': 'assistant'}]