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 ":".
She
returned
to
Lawton
,
Oklahoma
and
continued
teaching
as
a
substitute
teacher
in
the
1970s
,
as
well
as
teaching
the
Comanche
language
and
songs
to
tribal
members
.
She:O
returned:O
to:O
Lawton:location-GPE
,:O
Oklahoma:location-GPE
and:O
continued:O
teaching:O
as:O
a:O
substitute:O
teacher:O
in:O
the:O
1970s:O
,:O
as:O
well:O
as:O
teaching:O
the:O
Comanche:other-language
language:O
and:O
songs:O
to:O
tribal:O
members:O
.:O