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 ":".
It
was
with
Contet
that
he
won
his
only
title
on
the
Grand
Prix
circuit
,
the
1972
Monte
Carlo
Open
,
a
top
tier
event
that
was
part
of
the
Grand
Prix
Super
Series
.
It:O
was:O
with:O
Contet:person-athlete
that:O
he:O
won:O
his:O
only:O
title:O
on:O
the:O
Grand:event-sportsevent
Prix:event-sportsevent
circuit:O
,:O
the:O
1972:O
Monte:event-sportsevent
Carlo:event-sportsevent
Open:event-sportsevent
,:O
a:O
top:O
tier:O
event:O
that:O
was:O
part:O
of:O
the:O
Grand:event-sportsevent
Prix:event-sportsevent
Super:event-sportsevent
Series:event-sportsevent
.:O