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.

Input: Consider 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.

Output: medicine


Input: Consider Input: Question: The minimum amount of auditory stimulation needed to begin to identify the lyrics of a song is a threshold: 
 Options:  <0> Absolute. <1> Subliminal. <2> Differential. <3> Relative. <4> Musical.

Output: psychology


Input: Consider Input: Question: What is the relationship between turbidimetry and nephelometry? 
 Options:  <0> Nephelometry is the inverse of turbidimetry. <1> Turbidimetry is more sensitive than nephelometry. <2> Nephelometry can be measured with a conventional spectrophotometer. <3> Both technologies measure the dispersion of light. <4> Both technologies are the most sensitive and used in clinical laboratories.


Output: chemistry