whenever you think you 've figured out late marriage , it throws you for a loop . 
(ROOT (S (SBAR (WHADVP (WRB whenever)) (S (NP (PRP you)) (VP (VBP think) (SBAR (S (NP (PRP you)) (VP (VBP 've) (VP (VBN figured) (PRT (RP out)) (NP (JJ late) (NN marriage))))))))) (, ,) (NP (PRP it)) (VP (VBZ throws) (NP (PRP you)) (PP (IN for) (NP (DT a) (NN loop)))) (. .)))
(ROOT (S (SBAR (WHADVP (WRB )) (S (NP (PRP )) (VP (VBP ) (SBAR (S (NP (PRP )) (VP (VBP ) (VP (VBN ) (PRT (RP )) (NP (JJ ) (NN ))))))))) (, ) (NP (PRP )) (VP (VBZ ) (NP (PRP )) (PP (IN ) (NP (DT ) (NN )))) (. )))