With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Bradford
City
stadium
fire
was
due
to
poor
fire
safety
in
the
stadium
.
The:O
Bradford:location-GPE
City:location-GPE
stadium:O
fire:O
was:O
due:O
to:O
poor:O
fire:O
safety:O
in:O
the:O
stadium:O
.:O