With no explanation, label each line with "art-music", "O", "art-broadcastprogram", "art-film", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
21
on
the
ARIA
Albums
Chart
.
21:O
on:O
the:O
ARIA:art-music
Albums:art-music
Chart:O
.:O