With no explanation, label each line with "building-other", "O", "location-road/railway/highway/transit", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
On
its
west
end
,
the
Pittsburgh
Line
becomes
the
Fort
Wayne
Line
after
crossing
the
Allegheny
River
bridge
,
where
trains
travel
a
short
distance
of
to
reach
Conway
Yard
.
On:O
its:O
west:O
end:O
,:O
the:O
Pittsburgh:location-road/railway/highway/transit
Line:location-road/railway/highway/transit
becomes:O
the:O
Fort:location-road/railway/highway/transit
Wayne:location-road/railway/highway/transit
Line:location-road/railway/highway/transit
after:O
crossing:O
the:O
Allegheny:building-other
River:building-other
bridge:building-other
,:O
where:O
trains:O
travel:O
a:O
short:O
distance:O
of:O
to:O
reach:O
Conway:location-other
Yard:location-other
.:O