With no explanation, label each line with "art-writtenart", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
``
Double
blind
,
Placebo-Controlled
,
Randomized
Phase
II
Trial
of
Darbepoetin
Alfa
in
Lung
Cancer
Patients
Receiving
Chemotherapy
:
A
Comment
``
``
Journal
of
the
National
Cancer
Institute
``
,
Vol
.
``:art-writtenart
Double:art-writtenart
blind:art-writtenart
,:art-writtenart
Placebo-Controlled:art-writtenart
,:art-writtenart
Randomized:art-writtenart
Phase:art-writtenart
II:art-writtenart
Trial:art-writtenart
of:art-writtenart
Darbepoetin:art-writtenart
Alfa:art-writtenart
in:art-writtenart
Lung:art-writtenart
Cancer:art-writtenart
Patients:art-writtenart
Receiving:art-writtenart
Chemotherapy:art-writtenart
::art-writtenart
A:art-writtenart
Comment:art-writtenart
``:O
``:O
Journal:art-writtenart
of:art-writtenart
the:art-writtenart
National:art-writtenart
Cancer:art-writtenart
Institute:art-writtenart
``:O
,:O
Vol:O
.:O