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.

Ex Input:
Question: The initial procedure of choice to investigate a possible obstruction of the biliary tract is: 
 Options:  <0> Hepatobiliary ultrasound. <1> Endoscopic retrograde cholangiopancreatography (ERCP). <2> Colangio Magnetic Resonance. <3> Computed tomography. Abdominal CT <4> Percutaneous transhepatic cholangiography.

Ex Output:
medicine


Ex Input:
Question: For what purpose do Clark and Beck (2010) propose, within the cognitive therapy of anxiety disorders, the exercises of induction of symptoms in the treatment of panic disorder ?: 
 Options:  <0> To provoke the integration of the reflective processes of higher level of cognitive processing. <1> To create opportunities to challenge the catastrophic misinterpretations of bodily sensations. <2> To facilitate the use of self-guided meditation. <3> To generate new security search behaviors. <4> The induction of symptoms is not contemplated in the model of cognitive anxiety therapy.

Ex Output:
psychology


Ex Input:
Question: One of the signs that can appear in the postoperative period is tympanism, which means: 
 Options:  <0> Paralysis of intestinal peristalsis. <1> Tympanic perforation due to increased pressure. <2> Evisceration <3> Retention of gases in the intestine. <4> Severe abdominal pain.

Ex Output:

nursery