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.

Input: Consider Input: Question: In eukaryotes, the DNA polymerase β: 
 Options:  <0> It is a polymerase of family B. <1> It carries out the synthesis and repair of mitochondrial DNA. <2> Replicate DNA with injuries. <3> It is involved in the repair of nuclear DNA. <4> The synthesis of nuclear DNA begins.

Output: biology


Input: Consider Input: Question: The set of means and systems that facilitate the contact of the infectious agent with the recipient subject corresponds to: 
 Options:  <0> Source of infection. <1> Habitat. <2> Transmission mechanism. <3> Biotope <4> Reservoir.

Output: nursery


Input: Consider Input: Question: The psychological treatments in bipolar disorder share several therapeutic objectives, among which is NOT: 
 Options:  <0> Train patients in the detection of the initial symptoms that precede the disorder. <1> Replace the need for a long-term pharmacological treatment. <2> Teach patients strategies to cope with stressful stimuli that can trigger or exacerbate symptoms. <3> Improve adherence to pharmacological treatment. <4> Provide patients with techniques to manage the initial symptoms, thus preventing them from getting worse.


Output: psychology