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 ":".
Ismail
seized
[
[
Baghdad
]
]
in
1508
.
Ismail:person-politician
seized:O
[:O
[:O
Baghdad:location-GPE
]:O
]:O
in:O
1508:O
.:O