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 primosome: 
 Options:  <0> It is also called primasa or Dna G protein. <1> It is the complex responsible for the synthesis of the Okazaki fragments. <2> It is a bacterial DNA ligase. <3> It is located in the mitochondria. <4> It is a functional unit of the bacterial replication complex.
[EX A]: chemistry

[EX Q]: Question: A 60-year-old patient who came to the hospital's emergency department due to a left chest pain, cough and yellowish sputum, a temperature of 38.7ºC, a sensation of shortness of breath. Artificial saturation of 02 80%. Hemogram leukocytes 12000 / uL with 86% polymorphonuclear cells. Chest x-ray: alveolar infiltrate on the left base with air bronchogram. On suspicion of pneumonia, pneumococcal Ag is made in urine, which is positive and sputum culture is sent to the Microbiology service. Which empirical antibiotic treatment of the indicated ones is more correct in expectation of microbiological results? 
 Options:  <0> Ceftazidime <1> Clarithromycin <2> Azithromycin <3> Ceftriaxone <4> Doxycycline
[EX A]: medicine

[EX Q]: Question: How many palindromic sequences exist on the human Y chromosome that allow Y-Y recombination ?: 
 Options:  <0> 8 <1> 6 <2> Four. <3> 10 <4> 12
[EX A]:
biology