With no explanation, label each line with "O", "organization-politicalparty", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
She
represented
the
Australian
Democrats
from
1990
to
2002
,
and
was
her
party
's
leader
from
1997
–
2001
.
She:O
represented:O
the:O
Australian:organization-politicalparty
Democrats:organization-politicalparty
from:O
1990:O
to:O
2002:O
,:O
and:O
was:O
her:O
party:O
's:O
leader:O
from:O
1997:O
–:O
2001:O
.:O