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: Inhibits the integrase of HIV the: 
 Options:  <0> Efavirenz. <1> Tenofovir <2> Ritonavir <3> Emtricitabine. <4> Raltegravir
[A]: biology


[Q]: Question: A 76-year-old woman came to the emergency room referring to pain in the right groin and vomiting for about 6 hours. On examination, a hard consistency tumor is palpable just below the line joining the anterosuperior iliac spine and the pubis (which corresponds to the location of the inguinal ligament). Most likely, it is one: 
 Options:  <0> Direct inguinal hernia. <1> Spiegel hernia. <2> Indirect inguinal hernia. <3> Femoral hernia (crural). <4> Obturator hernia
[A]: medicine


[Q]: Question: Which of the mentioned vasoactive substances preferentially contracts the glomerular efferent arterioles in most physiological states? 
 Options:  <0> Adrenalin. <1> Noradrenaline <2> Endothelin <3> Angiotensin II. <4> Bradykinin
[A]:
medicine