With no explanation, label each line with "O", "location-road/railway/highway/transit", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
About
twenty
miles
(
32
km
)
to
the
west
,
this
line
continues
through
the
Moffat
Tunnel
under
the
Continental
Divide
.
About:O
twenty:O
miles:O
(:O
32:O
km:O
):O
to:O
the:O
west:O
,:O
this:O
line:O
continues:O
through:O
the:O
Moffat:location-road/railway/highway/transit
Tunnel:location-road/railway/highway/transit
under:O
the:O
Continental:location-other
Divide:location-other
.:O