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
last
one
emitted
an
automatic
signal
.
The:O
last:O
one:O
emitted:O
an:O
automatic:O
signal:O
.:O