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 ":".
Today
,
however
,
many
linguists
regard
Haida
as
a
language
isolate
.
Today:O
,:O
however:O
,:O
many:O
linguists:O
regard:O
Haida:other-language
as:O
a:O
language:O
isolate:O
.:O