With no explanation, label each line with "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
South
Para
River
descends
over
its
course
.
The:O
South:location-bodiesofwater
Para:location-bodiesofwater
River:location-bodiesofwater
descends:O
over:O
its:O
course:O
.:O