With no explanation, label each line with "O", "organization-company", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Siemens
SD660
is
a
double-articulated
,
70
%
-low-floor
light
rail
vehicle
(
LRV
)
manufactured
by
Siemens
Transportation
Systems
,
a
division
of
Siemens
AG
.
The:O
Siemens:product-train
SD660:product-train
is:O
a:O
double-articulated:O
,:O
70:O
%:O
-low-floor:O
light:O
rail:O
vehicle:O
(:O
LRV:O
):O
manufactured:O
by:O
Siemens:organization-company
Transportation:organization-company
Systems:organization-company
,:O
a:O
division:O
of:O
Siemens:organization-company
AG:organization-company
.:O