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 ":".
It
has
matting
type
of
pitch
.
It:O
has:O
matting:O
type:O
of:O
pitch:O
.:O