With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
A
variety
of
implementations
also
exist
on
other
operating
systems
and
it
is
commonly
found
in
network
devices
,
such
as
routers
.
A:O
variety:O
of:O
implementations:O
also:O
exist:O
on:O
other:O
operating:O
systems:O
and:O
it:O
is:O
commonly:O
found:O
in:O
network:O
devices:O
,:O
such:O
as:O
routers:O
.:O