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 ":".
Also
,
more
research
about
Tunisian
was
produced
,
mainly
by
French
and
German
linguists
.
Also:O
,:O
more:O
research:O
about:O
Tunisian:other-language
was:O
produced:O
,:O
mainly:O
by:O
French:location-GPE
and:O
German:location-GPE
linguists:O
.:O