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 ":".
These
concerns
were
brushed
aside
.
These:O
concerns:O
were:O
brushed:O
aside:O
.:O