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: 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.

SOLUTION: psychology

PROBLEM: Question: The recommended antibiotic treatment for acute diarrhea caused by Clostridium difficile is: 
 Options:  <0> Administer vancomycin orally. <1> Administer vancomycin intravenously. <2> Administer ciprofloxacin orally. <3> Administer metronidazole orally. <4> Administer rifaximin orally.

SOLUTION: medicine

PROBLEM: Question: In the parasympathetic system: 
 Options:  <0> The preganglionic neuron is in thoracic spinal cord. <1> Postganglionic neurons have short axons. <2> Postganglionic fibers release noradrenaline. <3> Postganglionic neurons have muscarinic receptors. <4> Numerous neurons innervate vascular smooth muscle of the extremities.

SOLUTION:
biology