With no explanation, label each line with "O", "product-food", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Acorn
squash
(
``
Cucurbita
pepo
``
var
.
Acorn:product-food
squash:product-food
(:O
``:O
Cucurbita:product-food
pepo:product-food
``:O
var:O
.:O