With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Unsuccessful
attempts
by
Century
to
acquire
major
RTÉ
talent
also
led
to
problems
.
Unsuccessful:O
attempts:O
by:O
Century:organization-company
to:O
acquire:O
major:O
RTÉ:O
talent:O
also:O
led:O
to:O
problems:O
.:O