a convolution of language that suggests it 
(ROOT (NP (NP (NP (DT a) (NN convolution)) (PP (IN of) (NP (NN language)))) (SBAR (WHNP (WDT that)) (S (VP (VBZ suggests) (NP (PRP it)))))))
(ROOT (NP (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (NP (PRP )))))))