have viewers guessing just who 's being conned right up to the finale 
(ROOT (S (VP (VB have) (S (NP (NNS viewers)) (VP (VBG guessing) (SBAR (WHNP (RB just) (WP who)) (S (VP (VBZ 's) (VP (VBG being) (VP (VBN conned)))))) (PP (ADVP (RB right)) (RP up) (PP (IN to) (NP (DT the) (NN finale)))))))))
(ROOT (S (VP (VB ) (S (NP (NNS )) (VP (VBG ) (SBAR (WHNP (RB ) (WP )) (S (VP (VBZ ) (VP (VBG ) (VP (VBN )))))) (PP (ADVP (RB )) (RP ) (PP (IN ) (NP (DT ) (NN )))))))))