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.

[EX Q]: Question: A 70-year-old woman with a history of hypertension and moderate heart failure attended the clinic due to a persistent and dry cough that started as a sensation of itching in the throat. In the analytical hyperkalemia is observed. What is the drug suspected of causing the clinical and analytical alteration of the patient? 
 Options:  <0> Hydrochlorothiazide. <1> Bisoprolol. <2> Furosemide. <3> Enalapril <4> Hydralazine
[EX A]: medicine

[EX Q]: Question: Kinesin and dynein are: 
 Options:  <0> Adhesion proteins. <1> Microtubular motors. <2> Degradative enzymes <3> Components of the vesicular cover. <4> Transcriptional factors.
[EX A]: biology

[EX Q]: Question: In the analysis of a pedigree of an autosomal dominant trait it is observed that: 
 Options:  <0> The trait appears more frequently in males. <1> The unaffected people do not transmit the trait. <2> The trait tends to skip generations. <3> The affected people have both affected parents. <4> The trait tends to appear in the progeny of related parents.
[EX A]:
biology