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 DNA Girasa is: 
 Options:  <0> A eukaryotic Topoisomerase I. <1> A eukaryotic Topoisomerase II <2> A prokaryotic Topoisomerase I <3> A prokaryotic Topoisomerase II. <4> A prokaryotic Helicasa.
[A]: chemistry


[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: One of the following types of transport through membranes does NOT exist: 
 Options:  <0> Ion transport facilitated by ionophore (against electrochemical gradient). <1> Facilitated diffusion (in favor of electrochemical gradient) <2> Primary active transport (against electrochemical gradient). <3> Ionic channel (in favor of electrochemical gradient). <4> Simple diffusion (in favor of concentration gradient).
[A]:
pharmacology