Task: Question Answering
Input (English): Question: Faced with a patient with diffuse otitis externa, what is the initial treatment? 
 Options:  <1> Surgery. <2> Antibiotics plus analgesics, both intravenously. <3> Antibiotics and analgesics, both orally. <4> Cleaning of the external auditory canal, topical antibiotic therapy plus oral analgesics. <5> Topical antibiotics
Output (English): 4