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 ":".
Apricot
is
the
main
product
.
Apricot:product-food
is:O
the:O
main:O
product:O
.:O