With no explanation, label each line with "O", "organization-politicalparty", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Just
two
years
after
being
elected
to
the
House
of
Commons
,
Diefenbaker
ran
for
the
leadership
of
the
Progressive
Conservative
Party
,
coming
in
third
in
a
field
of
five
candidates
.
Just:O
two:O
years:O
after:O
being:O
elected:O
to:O
the:O
House:organization-other
of:organization-other
Commons:organization-other
,:O
Diefenbaker:person-other
ran:O
for:O
the:O
leadership:O
of:O
the:O
Progressive:organization-politicalparty
Conservative:organization-politicalparty
Party:organization-politicalparty
,:O
coming:O
in:O
third:O
in:O
a:O
field:O
of:O
five:O
candidates:O
.:O