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 ":".
The
second
generation
N-Body
continued
until
1998
when
it
was
replaced
by
the
third
and
final
generation
.
The:O
second:O
generation:O
N-Body:product-car
continued:O
until:O
1998:O
when:O
it:O
was:O
replaced:O
by:O
the:O
third:O
and:O
final:O
generation:O
.:O