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 ":".
Chakavian
was
the
main
public
and
official
language
in
medieval
Croatia
from
13th
to
16th
century
.
Chakavian:other-language
was:O
the:O
main:O
public:O
and:O
official:O
language:O
in:O
medieval:O
Croatia:location-GPE
from:O
13th:O
to:O
16th:O
century:O
.:O