With no explanation, label each line with "location-GPE", "O", "product-food", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
origins
of
the
Reuben
sandwich
reputedly
come
from
Omaha
.
The:O
origins:O
of:O
the:O
Reuben:product-food
sandwich:O
reputedly:O
come:O
from:O
Omaha:location-GPE
.:O