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 ":".
The
commission
ended
the
city
of
Roanoke
's
role
as
the
sole
operator
of
the
airport
,
as
it
had
been
from
1934
through
1987
.
The:O
commission:O
ended:O
the:location-GPE
city:location-GPE
of:location-GPE
Roanoke:location-GPE
's:O
role:O
as:O
the:O
sole:O
operator:O
of:O
the:O
airport:O
,:O
as:O
it:O
had:O
been:O
from:O
1934:O
through:O
1987:O
.:O