Task: Question Answering
Input (English): Question: The DNA Girasa is: 
 Options:  <1> A eukaryotic Topoisomerase I. <2> A eukaryotic Topoisomerase II <3> A prokaryotic Topoisomerase I <4> A prokaryotic Topoisomerase II. <5> A prokaryotic Helicasa.
Output (English): 4