With no explanation, label each line with "location-GPE", "O", "person-artist/author", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
During
his
late
twenties
,
and
during
his
military
service
in
World
War
II
,
Metcalf
studied
European
master
painters
in
Italy
and
France
.
During:O
his:O
late:O
twenties:O
,:O
and:O
during:O
his:O
military:O
service:O
in:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
,:O
Metcalf:person-artist/author
studied:O
European:location-GPE
master:O
painters:O
in:O
Italy:location-GPE
and:O
France:location-GPE
.:O