instruction:
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.
question:
Question: It is associated with gastric ulcers and cancers: 
 Options:  <0> Clostridium botulinum. <1> Yersinia enterocolitica. <2> Salmonella enterica <3> Helicobacter pylori. <4> Shigella sonnei.
answer:
biology


question:
Question: When administering oxygen therapy to a patient admitted to the emergency room due to exacerbated COPD, you should take into account that: 
 Options:  <0> The flow of oxygen must be high, since respiratory failure is accompanied by hypoxia. <1> The concentration of oxygen is conditioned by the patient's clinical situation. <2> The concentration of oxygen must be equal to the atmospheric concentration, since the patient presents hypercapnia. <3> The flow should be low, since hypoxia is the only stimulus to breathe. <4> The flow must be adjusted to achieve a PO2 greater than 90 mmHg.
answer:
nursery


question:
Question: Which of the following antimalarials is the one of choice for the treatment of a patient diagnosed with severe and multidrug-resistant malaria caused by Plasmodium falciparum? 
 Options:  <0> Sodium stibogluconate. <1> Primaquine <2> Chloroquine <3> Artemisinin <4> Quinine.
answer:

pharmacology