With no explanation, label each line with "O", "location-bodiesofwater", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
When
the
company
surveyed
the
Peace
and
Pine
passes
during
1920
,
the
former
's
circuitous
route
through
Finlay
Forks
was
a
recognized
deterrent
.
When:O
the:O
company:O
surveyed:O
the:O
Peace:location-other
and:O
Pine:location-other
passes:location-other
during:O
1920:O
,:O
the:O
former:O
's:O
circuitous:O
route:O
through:O
Finlay:location-bodiesofwater
Forks:location-bodiesofwater
was:O
a:O
recognized:O
deterrent:O
.:O