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 ":".
However
,
the
offer
was
never
enacted
.
However:O
,:O
the:O
offer:O
was:O
never:O
enacted:O
.:O