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 ":".
They
did
have
some
success
before
being
betrayed
.
They:O
did:O
have:O
some:O
success:O
before:O
being:O
betrayed:O
.:O