With no explanation, label each line with "location-GPE", "O", "organization-religion", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Kara-Khitans
also
reintroduced
the
Chinese
system
of
Imperial
government
,
since
China
was
still
held
in
respect
and
esteem
in
the
region
among
even
the
Muslim
population
,
and
the
Kara-Khitans
used
Chinese
as
their
main
official
language
.
The:O
Kara-Khitans:location-GPE
also:O
reintroduced:O
the:O
Chinese:location-GPE
system:O
of:O
Imperial:O
government:O
,:O
since:O
China:location-GPE
was:O
still:O
held:O
in:O
respect:O
and:O
esteem:O
in:O
the:O
region:O
among:O
even:O
the:O
Muslim:organization-religion
population:O
,:O
and:O
the:O
Kara-Khitans:location-GPE
used:O
Chinese:location-GPE
as:O
their:O
main:O
official:O
language:O
.:O