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 ":".
The
Big
Boy
served
at
Frisch
's
is
slightly
different
than
those
at
other
Big
Boy
restaurants
.
The:O
Big:product-food
Boy:product-food
served:O
at:O
Frisch:O
's:O
is:O
slightly:O
different:O
than:O
those:O
at:O
other:O
Big:product-food
Boy:product-food
restaurants:O
.:O