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 relation to osteoarthritis, what statement is correct? 
 Options:  <0> There is a close correlation between the radiological findings and the symptomatology of the patients. <1> The symptomatic involvement of the hip is much more frequent than the involvement of the knee. <2> Obesity has not been shown to be a risk factor for its development. <3> The presence of a high sedimentation rate strongly supports the diagnosis. <4> Morning stiffness usually lasts less than 30 minutes.
[A]: medicine


[Q]: Question: The glomerulonephritis syndrome occurs with: 
 Options:  <0> Oliguria and hematuria. <1> Polyuria and dehydration. <2> Loss of sodium in the urine. <3> Thrombosis and infections. <4> Loss of glucose in the urine.
[A]: pharmacology


[Q]: Question: Indinavir is a selective inhibitor of HIV protease because: 
 Options:  <0> By hydrolysis, the active drug is generated. <1> Rents irreversibly the active center of the enzyme. <2> Its structure mimics the transition state of the reaction catalyzed by the enzyme. <3> It is a suicide inhibitor. <4> Its symmetric structure interacts effectively with the active center of the enzyme.
[A]:
pharmacology