With no explanation, label each line with "location-GPE", "building-other", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
crossing
the
Thames
Estuary
,
rail
tunnels
and
local
road
links
could
be
integrated
into
the
flood
protection
barrier
,
similar
in
concept
to
integration
of
the
Saint
Petersburg
Ring
Road
in
the
Saint
Petersburg
Dam
in
Russia
.
In:O
crossing:O
the:O
Thames:location-bodiesofwater
Estuary:location-bodiesofwater
,:O
rail:O
tunnels:O
and:O
local:O
road:O
links:O
could:O
be:O
integrated:O
into:O
the:O
flood:O
protection:O
barrier:O
,:O
similar:O
in:O
concept:O
to:O
integration:O
of:O
the:O
Saint:building-other
Petersburg:building-other
Ring:building-other
Road:building-other
in:O
the:O
Saint:building-other
Petersburg:building-other
Dam:building-other
in:O
Russia:location-GPE
.:O