With no explanation, label each line with "location-GPE", "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Foster
was
a
settlement
in
east
San
Diego
County
,
California
.
Foster:location-other
was:O
a:O
settlement:O
in:O
east:O
San:location-GPE
Diego:location-GPE
County:location-GPE
,:O
California:location-GPE
.:O