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 ":".
It
has
a
capacity
to
hold
more
than
25,000
people
at
a
time
.
It:O
has:O
a:O
capacity:O
to:O
hold:O
more:O
than:O
25,000:O
people:O
at:O
a:O
time:O
.:O