With no explanation, label each line with "O", "location-road/railway/highway/transit", "location-bodiesofwater", "location-other", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
East
of
US
50
,
MD
404
serves
as
part
of
the
main
route
connecting
the
Chesapeake
Bay
Bridge
and
the
Baltimore–Washington
Metropolitan
Area
to
the
Delaware
Beaches
.
East:O
of:O
US:location-road/railway/highway/transit
50:location-road/railway/highway/transit
,:O
MD:location-road/railway/highway/transit
404:location-road/railway/highway/transit
serves:O
as:O
part:O
of:O
the:O
main:O
route:O
connecting:O
the:location-other
Chesapeake:location-other
Bay:location-other
Bridge:location-other
and:O
the:location-GPE
Baltimore–Washington:location-GPE
Metropolitan:location-GPE
Area:location-GPE
to:O
the:location-bodiesofwater
Delaware:location-bodiesofwater
Beaches:location-bodiesofwater
.:O