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.

[Q]: Question: In oxidative stress it is characteristic:
Options: <0> Decrease in the concentration of oxidized glutathione. <1> Increase in the concentration of reduced glutathione. <2> Decreased production of reactive oxygen species. <3> Increase in the production of reactive oxygen species. <4> None of the previous are true.
[A]: chemistry

[Q]: Question: In which personality disorder can the individual have unfounded and recurrent suspicions about the fidelity of the couple, as well as having doubts about the loyalty or honesty of the friends or acquaintances ?:
Options: <0> In the celotypic personality disorder. <1> In delusional personality disorder. <2> In the dependent personality disorder. <3> In the paranoid personality disorder. <4> In narcissistic personality disorder.
[A]: psychology

[Q]: Question: Which of the following medications is an anti CD20 monoclonal antibody used in the treatment of rheumatoid arthritis?
Options: <0> Alemtuzumab <1> Muromunab. <2> Abalizumab <3> Rituximab <4> Visilizumab.
[A]:
pharmacology