With no explanation, label each line with "location-GPE", "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
April
17
,
2010
,
he
competed
in
the
Superfighters
8
Man
Tournament
in
Frankfurt
,
Germany
.
On:O
April:O
17:O
,:O
2010:O
,:O
he:O
competed:O
in:O
the:O
Superfighters:event-sportsevent
8:event-sportsevent
Man:event-sportsevent
Tournament:event-sportsevent
in:O
Frankfurt:location-GPE
,:O
Germany:location-GPE
.:O