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 ":".
A
Big
Mac
is
perishable
and
not
easily
transported
.
A:product-food
Big:product-food
Mac:product-food
is:O
perishable:O
and:O
not:O
easily:O
transported:O
.:O