With no explanation, label each line with "art-film", "O", "art-broadcastprogram", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
He
also
portrayed
a
negative
role
in
``
Star
Plus
's
Rishton
Ka
Chakravyuh
.
''
He:O
also:O
portrayed:O
a:O
negative:O
role:O
in:O
``:O
Star:art-film
Plus:art-film
's:art-film
Rishton:art-film
Ka:art-film
Chakravyuh:art-film
.:O
'':O