With no explanation, label each line with "O", "organization-sportsleague", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Since
2007
the
club
has
qualified
for
Europe
each
season
entering
either
the
Champions
League
or
the
Europa
League
(
known
as
the
UEFA
Cup
up
to
2009
)
.
Since:O
2007:O
the:O
club:O
has:O
qualified:O
for:O
Europe:O
each:O
season:O
entering:O
either:O
the:O
Champions:organization-sportsleague
League:organization-sportsleague
or:O
the:O
Europa:organization-sportsleague
League:organization-sportsleague
(:O
known:O
as:O
the:O
UEFA:organization-sportsleague
Cup:organization-sportsleague
up:O
to:O
2009:O
):O
.:O