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 ":".
Also
in
1984
,
News
Corp
bought
``
Travel
Weekly
``
and
other
trade
magazines
from
Ziff
Davis
.
Also:O
in:O
1984:O
,:O
News:organization-company
Corp:organization-company
bought:O
``:O
Travel:art-writtenart
Weekly:art-writtenart
``:O
and:O
other:O
trade:O
magazines:O
from:O
Ziff:organization-company
Davis:organization-company
.:O