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 ":".
It
is
organised
by
the
European
Bridge
League
(
EBL
)
.
It:O
is:O
organised:O
by:O
the:O
European:organization-sportsleague
Bridge:organization-sportsleague
League:organization-sportsleague
(:O
EBL:organization-sportsleague
):O
.:O