With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
seized
the
city
of
Mantinea
from
the
Spartans
and
secured
it
.
He:O
seized:O
the:O
city:O
of:O
Mantinea:location-GPE
from:O
the:O
Spartans:O
and:O
secured:O
it:O
.:O