With no explanation, label each line with "product-other", "O", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Mark
2
carriages
hauled
by
Class
47
diesel
locomotives
.
Mark:product-other
2:product-other
carriages:O
hauled:O
by:O
Class:product-train
47:product-train
diesel:O
locomotives:O
.:O