In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Example Input: Question: By means of the angular methods used to evaluate the flow properties of a powder, it is determined: 
 Options:  <0> The ease with which the solid sets in motion. <1> The angle of repose. <2> The flow velocity <3> The resistance to displacement. <4> The density of the powder.
Example Output: pharmacology

Example Input: Question: It has a recessive inheritance linked to the X chromosome the: 
 Options:  <0> Acatalasemia <1> Hemophilia A. <2> Rett syndrome. <3> Cystic fibrosis, <4> Hypophosphatemia
Example Output: biology

Example Input: Question: Faced with a patient with diffuse otitis externa, what is the initial treatment? 
 Options:  <0> Surgery. <1> Antibiotics plus analgesics, both intravenously. <2> Antibiotics and analgesics, both orally. <3> Cleaning of the external auditory canal, topical antibiotic therapy plus oral analgesics. <4> Topical antibiotics
Example Output:
medicine