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
night
ended
in
a
all-night
concert
.
The:O
night:O
ended:O
in:O
a:O
all-night:O
concert:O
.:O