With no explanation, label each line with "O", "location-road/railway/highway/transit", "location-mountain", "organization-other", "location-other", "location-GPE", "art-broadcastprogram", "art-film", "art-music" or "art-other" preceded by ":".
The
United
States
Army
Corps
of
Engineers
built
a
new
route
through
the
Salish
Mountains
,
including
the
7-mile-long
Flathead
Tunnel
,
second-longest
in
the
United
States
,
to
relocate
the
tracks
away
from
the
Kootenai
River
.
The:O
United:organization-other
States:organization-other
Army:organization-other
Corps:organization-other
of:organization-other
Engineers:organization-other
built:O
a:O
new:O
route:O
through:O
the:O
Salish:location-mountain
Mountains:location-mountain
,:O
including:O
the:O
7-mile-long:O
Flathead:location-road/railway/highway/transit
Tunnel:location-road/railway/highway/transit
,:O
second-longest:O
in:O
the:O
United:location-GPE
States:location-GPE
,:O
to:O
relocate:O
the:O
tracks:O
away:O
from:O
the:O
Kootenai:location-other
River:location-other
.:O