With no explanation, label each line with "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Arnold
Palmer
Cup
was
known
as
the
Palmer
Cup
until
2015
.
The:O
Arnold:event-sportsevent
Palmer:event-sportsevent
Cup:event-sportsevent
was:O
known:O
as:O
the:O
Palmer:event-sportsevent
Cup:event-sportsevent
until:O
2015:O
.:O