With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
However
,
investors
were
told
few
details
about
the
operation
and
investigators
are
trying
to
determine
whether
the
``
bridge
loans
''
involved
bona
fide
business
activity
or
were
simply
a
front
for
a
new
Ponzi
scheme
.
However:O
,:O
investors:O
were:O
told:O
few:O
details:O
about:O
the:O
operation:O
and:O
investigators:O
are:O
trying:O
to:O
determine:O
whether:O
the:O
``:O
bridge:O
loans:O
'':O
involved:O
bona:O
fide:O
business:O
activity:O
or:O
were:O
simply:O
a:O
front:O
for:O
a:O
new:O
Ponzi:person-other
scheme:O
.:O