With no explanation, label each line with "product-car", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
As
a
replacement
for
the
expensive
Model
K
,
an
extended-wheelbase
Lincoln
Custom
variant
of
the
Lincoln
Zephyr
was
developed
.
As:O
a:O
replacement:O
for:O
the:O
expensive:O
Model:O
K:O
,:O
an:O
extended-wheelbase:O
Lincoln:product-car
Custom:product-car
variant:O
of:O
the:O
Lincoln:product-car
Zephyr:product-car
was:O
developed:O
.:O