With no explanation, label each line with "product-other", "O", "other-currency", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Allergan
,
which
markets
ocular-care
products
,
purchased
the
rights
to
Oculinum
in
order
to
service
the
``
niche
population
''
of
stabismus
patients
,
for
$
9M
.
Allergan:organization-company
,:O
which:O
markets:O
ocular-care:O
products:O
,:O
purchased:O
the:O
rights:O
to:O
Oculinum:product-other
in:O
order:O
to:O
service:O
the:O
``:O
niche:O
population:O
'':O
of:O
stabismus:O
patients:O
,:O
for:O
$:other-currency
9M:O
.:O