With no explanation, label each line with "O", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
was
a
standard
10,000
ton
Liberty
Ship
with
hull
number
2786
.
It:O
was:O
a:O
standard:O
10,000:O
ton:O
Liberty:product-ship
Ship:product-ship
with:O
hull:O
number:O
2786:O
.:O