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 ":".
The
two
companies
eventually
re-merged
on
December
4
,
2019
,
leading
to
the
operations
of
the
current
ViacomCBS
.
The:O
two:O
companies:O
eventually:O
re-merged:O
on:O
December:O
4:O
,:O
2019:O
,:O
leading:O
to:O
the:O
operations:O
of:O
the:O
current:O
ViacomCBS:organization-company
.:O