With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Burger
King
's
product
packaging
has
undergone
many
changes
over
the
years
.
Burger:organization-company
King:organization-company
's:organization-company
product:O
packaging:O
has:O
undergone:O
many:O
changes:O
over:O
the:O
years:O
.:O