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 ":".
His
maiden
victory
was
in
the
2013
edition
of
the
Berg
River
Canoe
Marathon
.
His:O
maiden:O
victory:O
was:O
in:O
the:O
2013:O
edition:O
of:O
the:O
Berg:event-sportsevent
River:event-sportsevent
Canoe:event-sportsevent
Marathon:event-sportsevent
.:O