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 ":".
On
his
final
appearance
on
the
flat
,
he
won
a
ten
furlong
handicap
at
Sligo
Racecourse
in
August
.
On:O
his:O
final:O
appearance:O
on:O
the:O
flat:O
,:O
he:O
won:O
a:O
ten:O
furlong:O
handicap:O
at:O
Sligo:event-sportsevent
Racecourse:event-sportsevent
in:O
August:O
.:O