'Why isn't a lookalike good enough for them?'
( ` ( Why ( ( ( ( is n't ) ( ( a ( lookalike ( good enough ) ) ) ( for them ) ) ) ? ) ' ) ) )
(ROOT (SBARQ (`` `) (WHADVP (WRB Why)) (SQ (VBZ is) (ADVP (RB n't)) (NP (NP (DT a) (JJ lookalike) (JJ good) (NN enough)) (PP (IN for) (NP (PRP them))))) (. ?) ('' ')))
The look alike is plenty good.
( ( The look ) ( alike ( ( ( is plenty ) good ) . ) ) )
(ROOT (S (NP (DT The) (NN look)) (ADVP (RB alike)) (VP (VBZ is) (ADVP (RB plenty)) (ADJP (JJ good))) (. .)))