With no explanation, label each line with "product-car", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
grand
duke
of
Luxembourg
and
his
family
are
driven
in
an
Audi
A8
or
similar
vehicle
.
The:O
grand:O
duke:O
of:O
Luxembourg:person-politician
and:O
his:O
family:O
are:O
driven:O
in:O
an:O
Audi:product-car
A8:product-car
or:O
similar:O
vehicle:O
.:O