With no explanation, label each line with "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Chicago
Skyway
was
originally
known
as
the
Calumet
Skyway
.
The:O
Chicago:location-road/railway/highway/transit
Skyway:location-road/railway/highway/transit
was:O
originally:O
known:O
as:O
the:O
Calumet:location-road/railway/highway/transit
Skyway:location-road/railway/highway/transit
.:O