With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Sudbury
Neutrino
Observatory
was
the
world
's
deepest
underground
experiment
since
the
Kolar
Gold
Fields
experiments
ended
with
the
closing
of
that
mine
in
1992
.
The:O
Sudbury:organization-other
Neutrino:organization-other
Observatory:organization-other
was:O
the:O
world:O
's:O
deepest:O
underground:O
experiment:O
since:O
the:O
Kolar:location-GPE
Gold:O
Fields:O
experiments:O
ended:O
with:O
the:O
closing:O
of:O
that:O
mine:O
in:O
1992:O
.:O