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 ":".
Its
natural
habitat
is
subtropical
or
tropical
moist
montane
forests
.
Its:O
natural:O
habitat:O
is:O
subtropical:O
or:O
tropical:O
moist:O
montane:O
forests:O
.:O