With no explanation, label each line with "art-writtenart", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "building-airport" or "building-hospital" preceded by ":".
In
1997
,
The
Washington
Post
Company
invested
in
``
Upside
``
and
announced
the
two
companies
would
share
editorial
resources
,
collaborate
online
,
sponsor
conferences
together
and
cooperate
on
ad
sales
and
circulation
development
.
In:O
1997:O
,:O
The:organization-company
Washington:organization-company
Post:organization-company
Company:organization-company
invested:O
in:O
``:O
Upside:art-writtenart
``:O
and:O
announced:O
the:O
two:O
companies:O
would:O
share:O
editorial:O
resources:O
,:O
collaborate:O
online:O
,:O
sponsor:O
conferences:O
together:O
and:O
cooperate:O
on:O
ad:O
sales:O
and:O
circulation:O
development:O
.:O