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 ":".
They
are
digitised
and
available
online
via
the
Library
's
catalogue
.
They:O
are:O
digitised:O
and:O
available:O
online:O
via:O
the:O
Library:O
's:O
catalogue:O
.:O