With no explanation, label each line with "person-athlete", "organization-sportsteam", "event-sportsevent", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Carlos
Reutemann
was
hired
as
a
replacement
,
and
Ferrari
fielded
three
cars
in
the
1976
Italian
Grand
Prix
when
Lauda
returned
unexpectedly
soon
(
only
six
weeks
after
his
accident
)
.
Carlos:person-athlete
Reutemann:person-athlete
was:O
hired:O
as:O
a:O
replacement:O
,:O
and:O
Ferrari:organization-sportsteam
fielded:O
three:O
cars:O
in:O
the:O
1976:O
Italian:event-sportsevent
Grand:event-sportsevent
Prix:event-sportsevent
when:O
Lauda:person-athlete
returned:O
unexpectedly:O
soon:O
(:O
only:O
six:O
weeks:O
after:O
his:O
accident:O
):O
.:O