With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Soon
the
flaked
wheat
was
being
packaged
to
meet
hundreds
of
mail-order
requests
from
guests
after
they
left
the
Sanitarium
.
Soon:O
the:O
flaked:O
wheat:O
was:O
being:O
packaged:O
to:O
meet:O
hundreds:O
of:O
mail-order:O
requests:O
from:O
guests:O
after:O
they:O
left:O
the:O
Sanitarium:building-other
.:O