With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
a
video
,
they
also
announced
Gekayev
has
been
elected
the
Emir
of
Chechnya
.
In:O
a:O
video:O
,:O
they:O
also:O
announced:O
Gekayev:person-other
has:O
been:O
elected:O
the:O
Emir:O
of:O
Chechnya:location-GPE
.:O