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 Input:
Question: Question linked to image # 1 In the previous patient, which of the following treatments is indicated? 
 Options:  <0> Biliary drainage through retrograde endoscopic and systemic chemotherapy. <1> Duodenopancretectomy cephalic with vascular resection. <2> Hepatic embolization with charged spheres of chemotherapy. <3> Bilirubic-hepatic bile drainage and systemic chemotherapy. <4> Treatment with corticoids.

Ex Output:
medicine


Ex Input:
Question: For the analysis of traces of inorganic constituents, in samples of organic nature, a preliminary treatment of the sample is needed, which normally consists of: 
 Options:  <0> Dissolve the sample in cold water. <1> Dissolve the sample in hot water. <2> Dissolve the sample between 30 and 70 ºC. <3> Heat the sample between 400 and 700 ºC. <4> Heat the sample in 0.1 M hydrochloric acid.

Ex Output:
chemistry


Ex Input:
Question: In routine clinical practice, in patients infected with the human immunodeficiency virus (HIV) who are undergoing antiretroviral treatment, the laboratory tool that is used to, in the short term, know if the treatment is being effective is: 
 Options:  <0> The levels of CD4 T lymphocytes, which increase rapidly if the treatment is being effective. <1> Anti-HIV antibody levels, which decrease when a combination of antivirals is effective. <2> P24 antigenemia, which increases in effective treatments. <3> Plasma viral load (HIV RNA per ml of plasma), which decreases to undetectable levels in effective treatments. <4> The intensity of the bands observed in the Western blot, which disappear if the treatment is effective.

Ex Output:

medicine