With no explanation, label each line with "O", "building-sportsfacility", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
took
place
at
the
Monte
Carlo
Country
Club
from
14
April
through
22
April
2007
.
It:O
took:O
place:O
at:O
the:O
Monte:building-sportsfacility
Carlo:building-sportsfacility
Country:building-sportsfacility
Club:building-sportsfacility
from:O
14:O
April:O
through:O
22:O
April:O
2007:O
.:O