With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
extent
of
the
Valley
and
Ridge
is
bound
by
the
Carters
Dam
fault
in
the
east
and
the
Emerson
Fault
in
the
south
.
The:O
extent:O
of:O
the:O
Valley:O
and:O
Ridge:O
is:O
bound:O
by:O
the:O
Carters:O
Dam:O
fault:O
in:O
the:O
east:O
and:O
the:O
Emerson:O
Fault:O
in:O
the:O
south:O
.:O