With no explanation, label each line with "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
took
pole
position
at
the
final
World
Championship
event
,
the
Italian
Grand
Prix
,
but
had
to
retire
with
engine
problems
.
He:O
took:O
pole:O
position:O
at:O
the:O
final:O
World:O
Championship:O
event:O
,:O
the:O
Italian:event-sportsevent
Grand:event-sportsevent
Prix:event-sportsevent
,:O
but:O
had:O
to:O
retire:O
with:O
engine:O
problems:O
.:O