With no explanation, label each line with "O", "location-mountain", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
oil
field
is
in
the
McKittrick
Valley
and
the
adjacent
foothills
of
the
Temblor
Range
at
the
western
edge
of
the
San
Joaquin
Valley
.
The:O
oil:O
field:O
is:O
in:O
the:O
McKittrick:location-other
Valley:location-other
and:O
the:O
adjacent:O
foothills:O
of:O
the:O
Temblor:location-mountain
Range:location-mountain
at:O
the:O
western:O
edge:O
of:O
the:O
San:location-other
Joaquin:location-other
Valley:location-other
.:O