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 eggs are operculated: 
 Options:  <0> Hymenolepis nana. <1> Trichinella spiralis. <2> Enterobius vermicularis. <3> Fasciola hepatica. <4> Ascaris lumbricoides.
[A]: biology


[Q]: Question: The most important causative agents of cervical cancer are: 
 Options:  <0> Papilomavirus. <1> Polyomavirus <2> Retrovirus. <3> Cytomegalovirus. <4> Parvovirus.
[A]: biology


[Q]: Question: Which of the following associations (disease - symptom or clinical sign) is incorrect? 
 Options:  <0> Measles - Koplik spots. <1> Sudden exanthema - Fever. <2> Infectious erythema - Anemia due to spinal aplasia. <3> Varicella - occipital adenopathies. <4> Scarlet fever - Fever and dysphagia.
[A]:
medicine