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: The determined (or systematic) errors that can be committed in an analytical method: 
 Options:  <0> They cause the data to spread more or less symmetrically with respect to a mean value. <1> They have a definite value and an assignable cause, giving rise to a bias in the results of a series of measures. <2> They come reflected in the precision of a measurement. <3> They are never attributable to instrumental measuring devices. <4> They result in outliers, which differ greatly from the others in a set of duplicate measures data.
[EX A]: pharmacology

[EX Q]: Question: Sumatriptan is a first generation anti-migrant triptan, structurally characterized by having a heterocycle: 
 Options:  <0> Imidazoic <1> Piperidinic <2> Indic. <3> Pirrólico. <4> Oxazolic.
[EX A]: pharmacology

[EX Q]: Question: A 38-year-old man went to the emergency room for progressive dyspnea and dry cough of a week of evolution. He does not have a history of interest. The vital signs are: temperature 37.8ºC, blood pressure 110/70 mmHg, heart rate 105 bpm and respiratory rate 30 rpm. In the respiratory exploration, percussion dullness, diminution of tactile (vocal) thrill, and diminution of respiratory noises at the base of the right hemithorax stand out. The rest of the physical examination is normal. What is the most likely diagnosis? 
 Options:  <0> Pleural effusion <1> Lobar pneumonia <2> Acute bronchitis. <3> Pulmonary tuberculosis <4> Pneumothorax.
[EX A]:
medicine