With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
advertising
concept
of
the
Mac
's
advantages
over
the
PC
was
dropped
in
favor
for
the
Get
a
Mac
campaign
in
2006
.
The:O
advertising:O
concept:O
of:O
the:O
Mac:product-other
's:O
advantages:O
over:O
the:O
PC:product-other
was:O
dropped:O
in:O
favor:O
for:O
the:O
Get:O
a:O
Mac:product-other
campaign:O
in:O
2006:O
.:O