With no explanation, label each line with "product-car", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
single
November
1992
built
articulated
Mercedes-Benz
O405G
was
bought
by
Grampian
Regional
Transport
,
the
forerunner
of
FirstGroup
,
as
their
bus
RT1
(
``
K1
GRT
``
)
.
A:O
single:O
November:O
1992:O
built:O
articulated:O
Mercedes-Benz:product-car
O405G:product-car
was:O
bought:O
by:O
Grampian:organization-company
Regional:organization-company
Transport:organization-company
,:O
the:O
forerunner:O
of:O
FirstGroup:organization-company
,:O
as:O
their:O
bus:O
RT1:product-car
(:O
``:O
K1:product-car
GRT:product-car
``:O
):O
.:O