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 ":".
Of
the
12
works
racers
on
Ferrari
512
S
in
1970
,
nine
are
still
alive
.
Of:O
the:O
12:O
works:O
racers:O
on:O
Ferrari:product-car
512:product-car
S:product-car
in:O
1970:O
,:O
nine:O
are:O
still:O
alive:O
.:O