With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
women
's
tournament
took
place
from
15
to
21
February
2009
,
while
the
men
's
tournament
will
take
The:O
women:O
's:O
tournament:O
took:O
place:O
from:O
15:O
to:O
21:O
February:O
2009:O
,:O
while:O
the:O
men:O
's:O
tournament:O
will:O
take:O