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 ":".
A
Zenith
34VN
downdraught
carburetter
was
fitted
.
A:O
Zenith:product-other
34VN:product-other
downdraught:O
carburetter:O
was:O
fitted:O
.:O