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: Question linked to image nº1 An 80-year-old woman is brought to the emergency department for acute abdominal pain that is accompanied by hypotension, tachycardia and fever of 38ºC. Between its antecedents it emphasizes a resection of left colon by carcinoma seven days before. After the initial resuscitation, a simple chest radiograph (shown) is performed, which is diagnostic of: 
 Options:  <0> Pneumoperitoneum <1> Intestinal obstruction. <2> Strangled crural hernia. <3> Left pneumothorax <4> Mesenteric ischemia.
Example Output: medicine

Example Input: Question: The hepatic synthesis of methionine from homocysteine ​​requires: 
 Options:  <0> N5, N10 methenyl-tetrahydrofolate. <1> N10-formyl-tetrahydrofolate. <2> N5-formimino-tetrahydrofolate. <3> N5-methyl-tetrahydrofolate. <4> N5, N10 methylene-tetrahydrofolate.
Example Output: chemistry

Example Input: Question: The surgical treatment of COPD, or lung volume reduction surgery, is currently a therapeutic weapon more within the multidisciplinary treatment of it. Which of the following statements is correct? 
 Options:  <0> The indication for surgical treatment will be in those patients who have moderate / severe congestive heart failure at the same time. <1> The presence of a pulmonary artery systolic pressure lower than 45 is an absolute contraindication. <2> COPD with emphysematous predominance in lower and middle lobes associated with pleural pathology is associated with better results. <3> The presence of a diffuse distribution of emphysema with FEV1> 20% and DLCO <20% are indicators of good prognosis. <4> Pre-surgical rehabilitation along with the distribution of emphysema in the upper lobes and the ability to perform postoperative physical exercise makes the results of the surgery beneficial.
Example Output:
medicine