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 ":".
This
is
mostly
observed
in
islands
lacking
predators
and
competition
.
This:O
is:O
mostly:O
observed:O
in:O
islands:O
lacking:O
predators:O
and:O
competition:O
.:O