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
center-entrance
front
facade
has
a
window
cap
on
the
second-floor
bedroom
window
.
The:O
center-entrance:O
front:O
facade:O
has:O
a:O
window:O
cap:O
on:O
the:O
second-floor:O
bedroom:O
window:O
.:O