Task: Text Categorization
Input (English): Context: The Packsaddle Bridge is a historic covered bridge in Fairhope Township Somerset County Pennsylvania. It was built in 1877 and is a 48-foot-long (15 m) Kingpost truss bridge with full vertical plank siding and large cut stone abutments. The bridge crosses Brush Creek. It is one of 10 covered bridges in Somerset County.It was added to the National Register of Historic Places in 1980.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Athlete, 3)OfficeHolder, 4)MeanOfTransportation, 5)Building
Output (English): 5