With no explanation, label each line with "location-GPE", "O", "organization-politicalparty", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Although
he
managed
to
successfully
deal
with
his
party
's
difficulties
to
a
large
extent
,
the
SPD
lost
the
following
West
Berlin
elections
,
only
a
few
months
after
Vogel
had
taken
office
.
Although:O
he:O
managed:O
to:O
successfully:O
deal:O
with:O
his:O
party:O
's:O
difficulties:O
to:O
a:O
large:O
extent:O
,:O
the:O
SPD:organization-politicalparty
lost:O
the:O
following:O
West:location-GPE
Berlin:location-GPE
elections:O
,:O
only:O
a:O
few:O
months:O
after:O
Vogel:person-politician
had:O
taken:O
office:O
.:O