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 ":".
In
1920
``
juju
``
candies
were
introduced
:
Jujyfruits
and
Jujubes
.
In:O
1920:O
``:O
juju:product-food
``:O
candies:O
were:O
introduced:O
::O
Jujyfruits:product-food
and:O
Jujubes:product-food
.:O