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
line
operated
for
92
years
before
closing
.
The:O
line:O
operated:O
for:O
92:O
years:O
before:O
closing:O
.:O