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
hotels
and
pubs
on
its
northwest
,
northeast
and
southwest
corners
,
have
been
operating
continuously
from
this
time
.
The:O
hotels:O
and:O
pubs:O
on:O
its:O
northwest:O
,:O
northeast:O
and:O
southwest:O
corners:O
,:O
have:O
been:O
operating:O
continuously:O
from:O
this:O
time:O
.:O