With no explanation, label each line with "location-bodiesofwater", "location-GPE", "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Vidal
Valley
forms
the
large
border
of
the
south
side
of
the
east-west
block
of
the
Whipple
Mountains
massif
,
the
landform
that
forces
the
Colorado
to
flow
southeast
,
then
back
southwest
.
Vidal:location-GPE
Valley:location-GPE
forms:O
the:O
large:O
border:O
of:O
the:O
south:O
side:O
of:O
the:O
east-west:O
block:O
of:O
the:O
Whipple:location-mountain
Mountains:location-mountain
massif:O
,:O
the:O
landform:O
that:O
forces:O
the:O
Colorado:location-bodiesofwater
to:O
flow:O
southeast:O
,:O
then:O
back:O
southwest:O
.:O