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 ":".
Little
River
descends
over
its
course
.
Little:O
River:O
descends:O
over:O
its:O
course:O
.:O