With no explanation, label each line with "location-GPE", "O", "location-road/railway/highway/transit", "location-island", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Oilville
is
located
on
U.S.
Route
250
west-northwest
of
Richmond
.
Oilville:location-GPE
is:O
located:O
on:O
U.S.:location-road/railway/highway/transit
Route:location-road/railway/highway/transit
250:location-road/railway/highway/transit
west-northwest:O
of:O
Richmond:location-island
.:O