With no explanation, label each line with "product-other", "O", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Bay-class
minesweepers
were
powered
by
two
GM
12
-cylinder
diesel
engines
driving
two
shafts
creating
.
The:O
Bay-class:product-ship
minesweepers:O
were:O
powered:O
by:O
two:O
GM:product-other
12:product-other
-cylinder:O
diesel:O
engines:O
driving:O
two:O
shafts:O
creating:O
.:O