but i think that's probably a good idea
( but ( i ( think ( that ( ( 's probably ) ( a ( good idea ) ) ) ) ) ) )
(ROOT (S (CC but) (NP (FW i)) (VP (VBP think) (SBAR (IN that) (S (VP (VBZ 's) (ADVP (RB probably)) (NP (DT a) (JJ good) (NN idea))))))))
I believe that is potentially a great idea.
( I ( ( believe ( that ( ( is potentially ) ( a ( great idea ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP believe) (SBAR (IN that) (S (VP (VBZ is) (ADVP (RB potentially)) (NP (DT a) (JJ great) (NN idea)))))) (. .)))