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
served
as
Turin
city
councillor
from
1993
to
1997
.
He:O
served:O
as:O
Turin:location-GPE
city:O
councillor:O
from:O
1993:O
to:O
1997:O
.:O