With no explanation, label each line with "location-GPE", "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
San
Francisco
County
Transportation
Authority
(
SFCTA
)
began
exploring
the
possibility
of
introducing
congestion
pricing
in
2004
,
as
part
of
the
Countywide
Transportation
Plan
and
motivated
by
the
initial
success
of
the
London
congestion
charge
.
The:O
San:organization-government/governmentagency
Francisco:organization-government/governmentagency
County:organization-government/governmentagency
Transportation:organization-government/governmentagency
Authority:organization-government/governmentagency
(:O
SFCTA:organization-government/governmentagency
):O
began:O
exploring:O
the:O
possibility:O
of:O
introducing:O
congestion:O
pricing:O
in:O
2004:O
,:O
as:O
part:O
of:O
the:O
Countywide:O
Transportation:O
Plan:O
and:O
motivated:O
by:O
the:O
initial:O
success:O
of:O
the:O
London:location-GPE
congestion:O
charge:O
.:O