With no explanation, label each line with "O", "other-currency", "product-software", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Also
in
1997
,
an
internal
publication
from
the
PowerPoint
group
said
that
by
then
over
20
million
copies
of
PowerPoint
were
in
use
,
and
that
total
revenues
from
PowerPoint
over
its
first
ten
years
(
1987
to
1996
)
had
already
exceeded
$
1
billion
.
Also:O
in:O
1997:O
,:O
an:O
internal:O
publication:O
from:O
the:O
PowerPoint:organization-other
group:O
said:O
that:O
by:O
then:O
over:O
20:O
million:O
copies:O
of:O
PowerPoint:product-software
were:O
in:O
use:O
,:O
and:O
that:O
total:O
revenues:O
from:O
PowerPoint:product-software
over:O
its:O
first:O
ten:O
years:O
(:O
1987:O
to:O
1996:O
):O
had:O
already:O
exceeded:O
$:other-currency
1:O
billion:O
.:O