With no explanation, label each line with "person-politician", "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
After
the
April
1978
Saur
Revolution
in
Afghanistan
,
Dupree
was
arrested
and
deported
from
the
country
.
After:O
the:O
April:O
1978:O
Saur:event-attack/battle/war/militaryconflict
Revolution:event-attack/battle/war/militaryconflict
in:O
Afghanistan:location-GPE
,:O
Dupree:person-politician
was:O
arrested:O
and:O
deported:O
from:O
the:O
country:O
.:O