Task: Text Categorization
Input (English): Context: Tianjin Port Development Holdings Limited (SEHK: 3382) is engaged in port services in Tianjin Port including container stacking and warehousing non-containerised goods stevedoring and other various ancillary services. Its parent company is Tianjin Development.It was listed as red chip stock on the Hong Kong Stock Exchange in 2006.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)EducationalInstitution, 3)Company, 4)Village
Output (English): 3