With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
ship
sank
in
1944
.
The:O
ship:O
sank:O
in:O
1944:O
.:O