With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
She
served
as
minister
of
education
from
2002
to
2007
.
She:O
served:O
as:O
minister:O
of:O
education:O
from:O
2002:O
to:O
2007:O
.:O