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
building
rises
270
feet
(
90
m
)
.
The:O
building:O
rises:O
270:O
feet:O
(:O
90:O
m:O
):O
.:O