With no explanation, label each line with "O", "other-language", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Fluent
not
only
in
these
two
Romance
languages
,
but
also
in
Bulgarian
,
Greek
,
Albanian
and
Turkish
,
he
studied
the
relationship
between
Romanian
and
the
Balkan
languages
.
Fluent:O
not:O
only:O
in:O
these:O
two:O
Romance:other-language
languages:O
,:O
but:O
also:O
in:O
Bulgarian:other-language
,:O
Greek:other-language
,:O
Albanian:other-language
and:O
Turkish:other-language
,:O
he:O
studied:O
the:O
relationship:O
between:O
Romanian:other-language
and:O
the:O
Balkan:other-language
languages:O
.:O