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 ":".
This
general
aviation
airport
is
publicly
owned
by
the
City
of
Concord
.
This:O
general:O
aviation:O
airport:O
is:O
publicly:O
owned:O
by:O
the:O
City:location-GPE
of:location-GPE
Concord:location-GPE
.:O