With no explanation, label each line with "product-other", "O", "other-currency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
November
3
,
2012
,
following
the
release
of
the
Nook
HD
and
Nook
HD+
,
the
price
of
the
Nook
Color
was
reduced
to
US
$
139
.
On:O
November:O
3:O
,:O
2012:O
,:O
following:O
the:O
release:O
of:O
the:O
Nook:product-other
HD:product-other
and:O
Nook:product-other
HD+:product-other
,:O
the:O
price:O
of:O
the:O
Nook:product-other
Color:product-other
was:O
reduced:O
to:O
US:O
$:other-currency
139:O
.:O