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 ":".
Breeding
birds
include
willow
warbler
and
yellowhammer
.
Breeding:O
birds:O
include:O
willow:O
warbler:O
and:O
yellowhammer:O
.:O