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.

Example Input: 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.
Example Output: chemistry

Example Input: Question: The most appropriate microscopy to identify Treponema pallidum in exudates from syphilitic lesions is: 
 Options:  <0> Clear field without staining. <1> Clear field with simple staining. <2> Dark field <3> Phase contrast. <4> Polarized light
Example Output: biology

Example Input: Question: The triple point of water is at 273.16 K and 611 Pascals: 
 Options:  <0> In no other combination of pressure and temperature it is possible to find the three phases of water in equilibrium. <1> Under these conditions, liquid and vapor become indistinguishable. <2> The sublimation process occurs at a pressure greater than 611 pascals. <3> It is not possible to find steam above 611 Pascals. <4> It is not possible to find water in solid state below 273.16 K.
Example Output:
pharmacology