With no explanation, label each line with "location-GPE", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Traubel
was
born
in
St.
Louis
,
Missouri
to
a
prosperous
family
of
German
descent
.
Traubel:person-artist/author
was:O
born:O
in:O
St.:location-GPE
Louis:location-GPE
,:O
Missouri:location-GPE
to:O
a:O
prosperous:O
family:O
of:O
German:location-GPE
descent:O
.:O