... what a banal bore the preachy circuit turns out to be 
(ROOT (S (, ...) (SBAR (WHNP (WP what) (DT a) (JJ banal) (NN bore)) (S (NP (DT the) (JJ preachy) (NN circuit)) (VP (VBZ turns) (PRT (RP out)) (S (VP (TO to) (VP (VB be)))))))))
(ROOT (S (, ) (SBAR (WHNP (WP ) (DT ) (JJ ) (NN )) (S (NP (DT ) (JJ ) (NN )) (VP (VBZ ) (PRT (RP )) (S (VP (TO ) (VP (VB )))))))))