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: Generates hydrogen peroxide in the phagosome: 
 Options:  <0> Myeloperoxidase <1> Carbonic anhydrase. <2> NADPH oxidase. <3> Cytochrome C oxidase. <4> Superoxide dismutase.
[EX A]: biology

[EX Q]: Question: An 80-year-old man is admitted with a sudden picture of aphasia and right hemiparesis. As background highlights, hypertension, well controlled diet and cognitive impairment in the last year under study by his neurologist. Emergency cranial CT demonstrates a left frontal lobar hematoma without contrast enhancement. What is the most likely cause of the hematoma? 
 Options:  <0> Arteriovenous malformation masked by the acute hematoma. <1> Chronic arterial hypertension. <2> Vasculitis isolated from the nervous system. <3> Brain tumor. <4> Amyloid cerebral angiopathy (congophilic angiopathy).
[EX A]: medicine

[EX Q]: Question: In a frequency distribution, how do we call the number of times a variable value or any other lower value repeats in the sample? 
 Options:  <0> Proportion. <1> Accumulated absolute frequency. <2> Accumulated percentage. <3> Absolute frecuency. <4> Accumulated relative frequency.
[EX A]:
psychology