With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Its
capital
is
the
city
of
Vladikavkaz
.
Its:O
capital:O
is:O
the:O
city:O
of:O
Vladikavkaz:location-GPE
.:O