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
incline
was
originally
steam
powered
and
ran
on
wooden
tracks
.
The:O
incline:O
was:O
originally:O
steam:O
powered:O
and:O
ran:O
on:O
wooden:O
tracks:O
.:O