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.
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Question: Question: Becker muscular dystrophy is an alteration of:
Options: <0> The skeletal muscle. <1> The metabolism of lipids. <2> The bones. <3> Hepatic origin. <4> The bilirubin.

Answer: pharmacology

Question: 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.

Answer: medicine

Question: Question: The reordering of Cope is a reordering:
Options: <0> From an allyl vinyl ether. <1> [1,3] -sigmatropic. <2> [1,2] -sigmatropic. <3> [3,3] -sigmatropic. <4> It is a cycloaddition [4 + 2].

Answer:
chemistry