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 ":".
It
is
shorter
than
the
contemporary
first-generation
Ford
Ka
city
car
.
It:O
is:O
shorter:O
than:O
the:O
contemporary:O
first-generation:O
Ford:product-car
Ka:product-car
city:O
car:O
.:O