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 tube of very small diameter and about 6 meters in length that runs along the posterolateral side of the testicle and connects with the vas deferens, is it called? 
 Options:  <0> Prostate. <1> Epididymis <2> Urethra. <3> Epéndimo. <4> Seminiferous tubule.
[EX A]: pharmacology

[EX Q]: Question: Thyroid storm or thyrotoxic crisis is a state of extreme hyperthyroidism characterized by: 
 Options:  <0> High prevalence in patients with endocrine disorders. <1> Hyperthermia, tachycardia, abdominal and neurological disorders, including epileptic seizures, delirium and coma. <2> Hypothermia, bradycardia and lethargy. <3> It does not suppose a situation of vital commitment for the patient with disorders of the endocrine system. <4> Hyperthermia, bradycardia, abdominal disorders and absence of neurological symptoms.
[EX A]: nursery

[EX Q]: Question: By means of the angular methods used to evaluate the flow properties of a powder, it is determined: 
 Options:  <0> The ease with which the solid sets in motion. <1> The angle of repose. <2> The flow velocity <3> The resistance to displacement. <4> The density of the powder.
[EX A]:
pharmacology