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.

[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
[A]: medicine


[Q]: Question: In a Gram positive pathogen involved in pharyngitis and rheumatic fever: 
 Options:  <0> Staphylococcus aureus. <1> Micrococcus luteus. <2> Moraxella catarrhalis. <3> Haemophilus influenzae. <4> Streptococcus pyogenes.
[A]: biology


[Q]: Question: Indicate which of the following compounds has antioxidant action: 
 Options:  <0> Vitamin B. <1> Vitamin D. <2> Vitamin E. <3> All the previous ones <4> None of the above.
[A]:
chemistry