With no explanation, label each line with "location-GPE", "O", "other-language", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
rare
and
evidently
unstable
sound
,
is
attested
from
the
Serer
language
of
Senegal
,
and
the
dedicated
letter
is
given
for
the
language
's
Arabic
script
orthography
.
A:O
rare:O
and:O
evidently:O
unstable:O
sound:O
,:O
is:O
attested:O
from:O
the:O
Serer:other-language
language:O
of:O
Senegal:location-GPE
,:O
and:O
the:O
dedicated:O
letter:O
is:O
given:O
for:O
the:O
language:O
's:O
Arabic:other-language
script:O
orthography:O
.:O