With no explanation, label each line with "organization-other", "O", "organization-politicalparty", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
She
only
served
for
one
year
,
however
,
after
having
been
chosen
and
championed
by
then
Labour
leader
John
Smith
to
become
the
new
leader
of
the
PES
.
She:O
only:O
served:O
for:O
one:O
year:O
,:O
however:O
,:O
after:O
having:O
been:O
chosen:O
and:O
championed:O
by:O
then:O
Labour:organization-politicalparty
leader:O
John:person-politician
Smith:person-politician
to:O
become:O
the:O
new:O
leader:O
of:O
the:O
PES:organization-other
.:O