With no explanation, label each line with "location-GPE", "O", "organization-sportsleague", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
2010
WK-League
was
the
second
season
of
WK-League
,
which
is
South
Korea
's
women
's
football
league
.
2010:O
WK-League:O
was:O
the:O
second:O
season:O
of:O
WK-League:organization-sportsleague
,:O
which:O
is:O
South:location-GPE
Korea:location-GPE
's:O
women:O
's:O
football:O
league:O
.:O