With no explanation, label each line with "O", "other-currency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Although
the
kit
is
advertised
at
$
500
,
like
many
tools
,
additional
initial
material
and
hardware
costs
are
required
.
Although:O
the:O
kit:O
is:O
advertised:O
at:O
$:other-currency
500:O
,:O
like:O
many:O
tools:O
,:O
additional:O
initial:O
material:O
and:O
hardware:O
costs:O
are:O
required:O
.:O