With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
plants
are
particularly
diverse
in
sub-
Saharan
Africa
and
tropical
South
America
.
These:O
plants:O
are:O
particularly:O
diverse:O
in:O
sub-:O
Saharan:location-GPE
Africa:location-GPE
and:O
tropical:O
South:location-GPE
America:location-GPE
.:O