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
allowed
their
cousins
to
take
the
entire
herd
,
but
vowed
someday
to
take
revenge
.
They:O
allowed:O
their:O
cousins:O
to:O
take:O
the:O
entire:O
herd:O
,:O
but:O
vowed:O
someday:O
to:O
take:O
revenge:O
.:O