With no explanation, label each line with "O", "other-language", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Bukele
is
regarded
within
the
Vai
community
,
as
well
as
by
most
scholars
,
as
the
syllabary
's
inventor
and
chief
promoter
when
it
was
first
documented
in
the
1830s
.
Bukele:person-other
is:O
regarded:O
within:O
the:O
Vai:other-language
community:O
,:O
as:O
well:O
as:O
by:O
most:O
scholars:O
,:O
as:O
the:O
syllabary:O
's:O
inventor:O
and:O
chief:O
promoter:O
when:O
it:O
was:O
first:O
documented:O
in:O
the:O
1830s:O
.:O