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 ":".
Ruth
Pershing
Uhler
(
1895-1967
)
was
an
American
painter
,
teacher
and
curator
.
Ruth:person-artist/author
Pershing:person-artist/author
Uhler:person-artist/author
(:O
1895-1967:O
):O
was:O
an:O
American:location-GPE
painter:O
,:O
teacher:O
and:O
curator:O
.:O