With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1991
,
President
George
H
W
Bush
announced
the
withdrawal
of
all
naval
and
land-based
tactical
nuclear
weapons
deployed
abroad
,
including
approximately
100
such
weapons
based
in
South
Korea
.
In:O
1991:O
,:O
President:O
George:person-politician
H:person-politician
W:person-politician
Bush:person-politician
announced:O
the:O
withdrawal:O
of:O
all:O
naval:O
and:O
land-based:O
tactical:O
nuclear:O
weapons:O
deployed:O
abroad:O
,:O
including:O
approximately:O
100:O
such:O
weapons:O
based:O
in:O
South:location-GPE
Korea:location-GPE
.:O