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: The order of the stages of the cell cycle is: 
 Options:  <0> S, G1, Mitosis, G2. <1> G2, G1, S, Mitosis. <2> G1, Mitosis, G2, S. <3> S, G0, Mitosis, G1. <4> G1, S, G2, Mitosis.

A: biology
****
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: The arithmetic mean and not the median: 
 Options:  <0> It is a measurement of location. <1> All the values ​​of the sample are involved in its calculation. <2> It is dimensionless. <3> It is not influenced by extreme values. <4> None is correct.

A:
biology
****