TASK DEFINITION: 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.
PROBLEM: Question: A positive coagulase test is typical of: 
 Options:  <0> Staphylococcus aureus. <1> Staphylococcus epidermidis. <2> Haemophilus influenzae. <3> Neisseria meningitidis. <4> Escherichia coli

SOLUTION: biology

PROBLEM: Question: Polarography is an analytical technique that refers to: 
 Options:  <0> The absorption of electromagnetic radiation. <1> The emission of electromagnetic radiation. <2> The voltametry with mercury electrode. <3> The use of palladium as a reference electrode. <4> To the potential of asymmetry.

SOLUTION: chemistry

PROBLEM: Question: The secretion of GH or growth hormone: 
 Options:  <0> It stops at 20 years old. <1> It last for ever. <2> During the day it is greater than at night. <3> It is stimulated by somatostatin. <4> It is stimulated by the substances.

SOLUTION:
biology