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 ":".
It
is
also
part
of
the
IBM
PC
Network
Program
for
DOS
.
It:O
is:O
also:O
part:O
of:O
the:O
IBM:O
PC:O
Network:O
Program:O
for:O
DOS:product-other
.:O