With no explanation, label each line with "location-GPE", "O", "location-mountain", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Willamette
Pass
(
)
is
a
mountain
pass
crossing
the
crest
of
the
Cascade
Range
in
Oregon
,
USA
.
Willamette:location-other
Pass:location-other
(:O
):O
is:O
a:O
mountain:O
pass:O
crossing:O
the:O
crest:O
of:O
the:O
Cascade:location-mountain
Range:location-mountain
in:O
Oregon:location-GPE
,:O
USA:location-GPE
.:O