instruction:
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.
question:
Question: What is the main cause of functional urinary incontinence in the elderly? 
 Options:  <0> Detrusor instability. <1> Obstruction due to fecalomas. <2> Laxity of the muscles of the pelvic floor. <3> Environmental barriers. <4> Urinary retention induced by medication.
answer:
nursery


question:
Question: Which of the following drugs is NOT used for the treatment of psychotic symptoms of schizophrenia: 
 Options:  <0> Olanzapine (Zyprexa). <1> Risperidone (Risperdal). <2> Aripiprazole (Abilify) <3> Clozapine (Leponex). <4> Venlafaxine (Dobupal, Vandral).
answer:
psychology


question:
Question: The square of Pearson's correlation coefficient is: 
 Options:  <0> The coefficient of variation. <1> The coefficient of determination. <2> The slope of the regression line. <3> The regression coefficient. <4> The covariance.
answer:

pharmacology