With no explanation, label each line with "product-other", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Even
with
the
release
of
the
first
Macintosh
,
Apple
II
computers
remained
the
main
source
of
income
for
Apple
for
years
.
Even:O
with:O
the:O
release:O
of:O
the:O
first:O
Macintosh:product-other
,:O
Apple:product-other
II:product-other
computers:O
remained:O
the:O
main:O
source:O
of:O
income:O
for:O
Apple:organization-company
for:O
years:O
.:O