With no explanation, label each line with "O", "building-sportsfacility", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Baseball
City
Stadium
would
continue
its
operations
,
while
the
park
and
stadium
were
up
for
sale
.
The:O
Baseball:building-sportsfacility
City:building-sportsfacility
Stadium:building-sportsfacility
would:O
continue:O
its:O
operations:O
,:O
while:O
the:O
park:O
and:O
stadium:O
were:O
up:O
for:O
sale:O
.:O