With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Chiang
Ching-kuo
was
appointed
as
commissioner
of
Gannan
Prefecture
(
)
between
1939
and
1945
;
there
he
banned
smoking
,
gambling
and
prostitution
,
studied
governmental
management
,
allowed
for
economic
expansion
and
a
change
in
social
outlook
.
Chiang:person-other
Ching-kuo:person-other
was:O
appointed:O
as:O
commissioner:O
of:O
Gannan:location-GPE
Prefecture:O
(:O
):O
between:O
1939:O
and:O
1945:O
;:O
there:O
he:O
banned:O
smoking:O
,:O
gambling:O
and:O
prostitution:O
,:O
studied:O
governmental:O
management:O
,:O
allowed:O
for:O
economic:O
expansion:O
and:O
a:O
change:O
in:O
social:O
outlook:O
.:O