With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
27
December
,
Rick
Perry
filed
a
lawsuit
–
joined
later
by
Michele
Bachmann
,
Newt
Gingrich
,
Jon
Huntsman
and
Rick
Santorum
–
in
the
federal
District
Court
for
the
Eastern
District
of
Virginia
in
Richmond
that
challenged
provisions
that
determine
who
can
appear
on
the
primary
ballot
.
On:O
27:O
December:O
,:O
Rick:person-politician
Perry:person-politician
filed:O
a:O
lawsuit:O
–:O
joined:O
later:O
by:O
Michele:person-politician
Bachmann:person-politician
,:O
Newt:person-politician
Gingrich:person-politician
,:O
Jon:person-politician
Huntsman:person-politician
and:O
Rick:person-politician
Santorum:person-politician
–:O
in:O
the:O
federal:O
District:O
Court:O
for:O
the:location-GPE
Eastern:location-GPE
District:location-GPE
of:location-GPE
Virginia:location-GPE
in:O
Richmond:location-GPE
that:O
challenged:O
provisions:O
that:O
determine:O
who:O
can:O
appear:O
on:O
the:O
primary:O
ballot:O
.:O