With no explanation, label each line with "location-GPE", "O", "person-artist/author", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Canadian
painter
Carl
Schaefer
,
then
a
member
of
the
Royal
Canadian
Air
Force
as
a
war
artist
,
depicted
No
.
Canadian:location-GPE
painter:O
Carl:person-artist/author
Schaefer:person-artist/author
,:O
then:O
a:O
member:O
of:O
the:O
Royal:organization-government/governmentagency
Canadian:organization-government/governmentagency
Air:organization-government/governmentagency
Force:organization-government/governmentagency
as:O
a:O
war:O
artist:O
,:O
depicted:O
No:O
.:O