With no explanation, label each line with "O", "location-road/railway/highway/transit", "location-island", "location-bodiesofwater", "location-other", "location-GPE", "art-broadcastprogram", "art-film", "art-music" or "art-other" preceded by ":".
It
parallels
State
Route
121
southward
to
State
Route
37
at
Sears
Point
,
California
,
feeds
into
the
Napa
Sonoma
Marsh
,
and
enters
San
Pablo
Bay
west
of
Tubbs
Island
in
the
San
Pablo
Bay
National
Wildlife
Refuge
.
It:O
parallels:O
State:location-road/railway/highway/transit
Route:location-road/railway/highway/transit
121:location-road/railway/highway/transit
southward:O
to:O
State:location-road/railway/highway/transit
Route:location-road/railway/highway/transit
37:location-road/railway/highway/transit
at:O
Sears:location-GPE
Point:location-GPE
,:O
California:location-GPE
,:O
feeds:O
into:O
the:O
Napa:location-bodiesofwater
Sonoma:location-bodiesofwater
Marsh:location-bodiesofwater
,:O
and:O
enters:O
San:location-bodiesofwater
Pablo:location-bodiesofwater
Bay:location-bodiesofwater
west:O
of:O
Tubbs:location-island
Island:location-island
in:O
the:O
San:location-bodiesofwater
Pablo:location-bodiesofwater
Bay:location-bodiesofwater
National:location-other
Wildlife:location-other
Refuge:location-other
.:O