With no explanation, label each line with "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Then
it
infects
low-level
system
drivers
such
as
those
responsible
for
PATA
operations
(
atapi.sys
)
to
implement
its
rootkit
.
Then:O
it:O
infects:O
low-level:O
system:O
drivers:O
such:O
as:O
those:O
responsible:O
for:O
PATA:product-software
operations:O
(:O
atapi.sys:O
):O
to:O
implement:O
its:O
rootkit:O
.:O