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 ":".
After
an
expansion
project
completed
in
2007
,
the
stadium
holds
13,000
with
8,000
seated
.
After:O
an:O
expansion:O
project:O
completed:O
in:O
2007:O
,:O
the:O
stadium:O
holds:O
13,000:O
with:O
8,000:O
seated:O
.:O