With no explanation, label each line with "product-car", "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
According
to
Vic
Elford
,
who
was
driving
a
factory-entered
Alfa
Romeo
Tipo
33
and
who
had
stopped
to
assist
Vetsch
escape
from
his
burning
Ferrari
,
the
last
he
had
seen
of
Bonnier
's
Lola
was
that
it
was
``
spinning
into
the
trees
like
a
helicopter
''
.
According:O
to:O
Vic:person-athlete
Elford:person-athlete
,:O
who:O
was:O
driving:O
a:O
factory-entered:O
Alfa:product-car
Romeo:product-car
Tipo:product-car
33:product-car
and:O
who:O
had:O
stopped:O
to:O
assist:O
Vetsch:person-athlete
escape:O
from:O
his:O
burning:O
Ferrari:product-car
,:O
the:O
last:O
he:O
had:O
seen:O
of:O
Bonnier:person-athlete
's:O
Lola:product-car
was:O
that:O
it:O
was:O
``:O
spinning:O
into:O
the:O
trees:O
like:O
a:O
helicopter:O
'':O
.:O