With no explanation, label each line with "O", "person-athlete", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
had
his
most
successful
season
in
1960
when
he
finished
second
in
the
Drivers
'
Championship
to
teammate
Jack
Brabham
,
having
stood
on
the
podium
six
times
out
of
the
eight
races
.
He:O
had:O
his:O
most:O
successful:O
season:O
in:O
1960:O
when:O
he:O
finished:O
second:O
in:O
the:O
Drivers:event-sportsevent
':event-sportsevent
Championship:event-sportsevent
to:O
teammate:O
Jack:person-athlete
Brabham:person-athlete
,:O
having:O
stood:O
on:O
the:O
podium:O
six:O
times:O
out:O
of:O
the:O
eight:O
races:O
.:O