With no explanation, label each line with "O", "event-election", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
One
sign
of
the
US
setback
in
the
region
has
been
the
OEA
2005
Secretary
General
election
.
One:O
sign:O
of:O
the:O
US:O
setback:O
in:O
the:O
region:O
has:O
been:O
the:event-election
OEA:event-election
2005:event-election
Secretary:event-election
General:event-election
election:event-election
.:O