With no explanation, label each line with "location-GPE", "O", "organization-company", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
1970
,
the
``
Reno
``
was
sold
to
Old
Tucson
Studios
,
while
the
``
Genoa
``
was
returned
to
the
state
of
California
,
with
the
``
Inyo
``
and
``
Dayton
``
replacing
them
as
displays
at
Promontory
.
In:O
1970:O
,:O
the:O
``:O
Reno:product-train
``:O
was:O
sold:O
to:O
Old:organization-company
Tucson:organization-company
Studios:organization-company
,:O
while:O
the:O
``:O
Genoa:product-train
``:O
was:O
returned:O
to:O
the:O
state:O
of:O
California:location-GPE
,:O
with:O
the:O
``:O
Inyo:product-train
``:O
and:O
``:O
Dayton:product-train
``:O
replacing:O
them:O
as:O
displays:O
at:O
Promontory:location-GPE
.:O