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 ":".
Their
first
attempt
had
led
to
improperly-functioning
recording
devices
being
installed
.
Their:O
first:O
attempt:O
had:O
led:O
to:O
improperly-functioning:O
recording:O
devices:O
being:O
installed:O
.:O