With no explanation, label each line with "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
2002
WSOP
was
historically
notable
for
two
reasons
.
The:O
2002:event-other
WSOP:event-other
was:O
historically:O
notable:O
for:O
two:O
reasons:O
.:O