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
shows
ran
for
approximately
30
minutes
.
The:O
shows:O
ran:O
for:O
approximately:O
30:O
minutes:O
.:O