With no explanation, label each line with "product-other", "O", "other-astronomything", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
NASA
's
Deep
Space
One
was
a
very
successful
test
of
a
prototype
ion
drive
,
which
fired
for
a
total
of
678
days
and
enabled
the
probe
to
run
down
Comet
Borrelly
,
a
feat
which
would
have
been
impossible
for
a
chemical
rocket
.
NASA:organization-government/governmentagency
's:O
Deep:product-other
Space:product-other
One:product-other
was:O
a:O
very:O
successful:O
test:O
of:O
a:O
prototype:O
ion:O
drive:O
,:O
which:O
fired:O
for:O
a:O
total:O
of:O
678:O
days:O
and:O
enabled:O
the:O
probe:O
to:O
run:O
down:O
Comet:other-astronomything
Borrelly:other-astronomything
,:O
a:O
feat:O
which:O
would:O
have:O
been:O
impossible:O
for:O
a:O
chemical:O
rocket:O
.:O