With no explanation, label each line with "O", "organization-company", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Blum
was
the
CEO
of
Romano
's
Macaroni
Grill
from
December
2008
to
July
2010
.
Blum:person-other
was:O
the:O
CEO:O
of:O
Romano:organization-company
's:organization-company
Macaroni:organization-company
Grill:organization-company
from:O
December:O
2008:O
to:O
July:O
2010:O
.:O