With no explanation, label each line with "O", "event-attack/battle/war/militaryconflict", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Due
to
World
War
II
meat
rationing
,
all
three
of
Hoyt
Wilson
'
s
restaurants
added
the
``
Veggie
''
,
a
special
with
out
the
meat
patty
and
a
historically
notable
vegetable
sandwich
.
Due:O
to:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
meat:O
rationing:O
,:O
all:O
three:O
of:O
Hoyt:person-other
Wilson:person-other
':person-other
s:O
restaurants:O
added:O
the:O
``:O
Veggie:O
'':O
,:O
a:O
special:O
with:O
out:O
the:O
meat:O
patty:O
and:O
a:O
historically:O
notable:O
vegetable:O
sandwich:O
.:O