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
whole
class
was
fitted
with
condensing
apparatus
for
working
on
the
Widened
Lines
.
The:O
whole:O
class:O
was:O
fitted:O
with:O
condensing:O
apparatus:O
for:O
working:O
on:O
the:O
Widened:O
Lines:O
.:O