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: An 80-year-old man is admitted with a sudden picture of aphasia and right hemiparesis. As background highlights, hypertension, well controlled diet and cognitive impairment in the last year under study by his neurologist. Emergency cranial CT demonstrates a left frontal lobar hematoma without contrast enhancement. What is the most likely cause of the hematoma? 
 Options:  <0> Arteriovenous malformation masked by the acute hematoma. <1> Chronic arterial hypertension. <2> Vasculitis isolated from the nervous system. <3> Brain tumor. <4> Amyloid cerebral angiopathy (congophilic angiopathy).
[A]: medicine


[Q]: Question: One of the main concepts of Acceptance and Commitment Therapy is: 
 Options:  <0> The relativization of the context. <1> The underlying reason. <2> The experiential avoidance. <3> The resistance to change. <4> Emotional vulnerability
[A]: psychology


[Q]: Question: It contains an imidazole group the side chain of: 
 Options:  <0> Arginine <1> Tyrosine <2> Glutamine <3> Histidine <4> Lysine
[A]:
biology