With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Oerlikon-Bührle
Immobilien
AG
was
sold
to
Allreal
Holding
where
it
acquired
its
present
name
of
Allreal
Generalunternehmung
AG
.
Oerlikon-Bührle:organization-company
Immobilien:organization-company
AG:organization-company
was:O
sold:O
to:O
Allreal:organization-company
Holding:organization-company
where:O
it:O
acquired:O
its:O
present:O
name:O
of:O
Allreal:organization-company
Generalunternehmung:organization-company
AG:organization-company
.:O