With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
An
extended
range
A319
was
ordered
in
2006
.
An:O
extended:O
range:O
A319:product-other
was:O
ordered:O
in:O
2006:O
.:O