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
race
was
similar
to
Stage
1
.
The:O
race:O
was:O
similar:O
to:O
Stage:O
1:O
.:O