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 ":".
When
Qutlugh
Shah
fled
,
Chupan
stayed
with
the
army
,
and
reached
Ghazan
in
June
.
When:O
Qutlugh:person-other
Shah:person-other
fled:O
,:O
Chupan:person-other
stayed:O
with:O
the:O
army:O
,:O
and:O
reached:O
Ghazan:location-GPE
in:O
June:O
.:O