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 ":".
On
45.2
was
HDnet
in
high
definition
(
the
network
's
only
ever
over-the-air
presence
outside
of
encrypted
over-the-air
subscription
services
)
.
On:O
45.2:O
was:O
HDnet:O
in:O
high:O
definition:O
(:O
the:O
network:O
's:O
only:O
ever:O
over-the-air:O
presence:O
outside:O
of:O
encrypted:O
over-the-air:O
subscription:O
services:O
):O
.:O