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
cost
of
the
surgery
reached
$
100,000
.
The:O
cost:O
of:O
the:O
surgery:O
reached:O
$:O
100,000:O
.:O