With no explanation, label each line with "O", "organization-sportsteam", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
return
,
four
teams
were
relegated
to
the
Third
League
:
Dobrudzha
Dobrich
,
Septemvri
Simitli
,
Lokomotiv
Mezdra
and
Litex
Lovech
II
.
In:O
return:O
,:O
four:O
teams:O
were:O
relegated:O
to:O
the:O
Third:event-sportsevent
League:event-sportsevent
::O
Dobrudzha:organization-sportsteam
Dobrich:organization-sportsteam
,:O
Septemvri:organization-sportsteam
Simitli:organization-sportsteam
,:O
Lokomotiv:organization-sportsteam
Mezdra:organization-sportsteam
and:O
Litex:organization-sportsteam
Lovech:organization-sportsteam
II:O
.:O