it is doubtful this listless feature will win him any new viewers 
(ROOT (S (NP (PRP it)) (VP (VBZ is) (ADJP (JJ doubtful) (SBAR (S (NP (DT this) (JJ listless) (NN feature)) (VP (MD will) (VP (VB win) (NP (PRP him)) (NP (DT any) (JJ new) (NNS viewers))))))))))
(ROOT (S (NP (PRP )) (VP (VBZ ) (ADJP (JJ ) (SBAR (S (NP (DT ) (JJ ) (NN )) (VP (MD ) (VP (VB ) (NP (PRP )) (NP (DT ) (JJ ) (NNS ))))))))))