Task: Text Categorization
Input (English): Context: The Mirror Universe (also referred in code as the Looking Glass) is a fictional parallel universe in which the plots of several Star Trek television episodes take place. It resembles the fictional universe in which most of the Star Trek TV series takes place but is separate from the main universe and not normally accessible and there are several differences between the normal and mirror universes which drive plots of various episodes.
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)Company, 3)Artist, 4)EducationalInstitution, 5)Album
Output (English): 2