With no explanation, label each line with "location-GPE", "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
ridge
is
south
of
the
town
of
Culpeper
and
just
to
the
northwest
of
the
northern
tip
of
the
Southwest
Mountains
at
Clark
Mountain
.
The:O
ridge:O
is:O
south:O
of:O
the:O
town:O
of:O
Culpeper:location-GPE
and:O
just:O
to:O
the:O
northwest:O
of:O
the:O
northern:O
tip:O
of:O
the:O
Southwest:location-mountain
Mountains:location-mountain
at:O
Clark:location-mountain
Mountain:location-mountain
.:O