you 're never quite sure where self-promotion ends and the truth begins 
(ROOT (S (NP (PRP you)) (VP (VBP 're) (ADVP (RB never)) (ADJP (RB quite) (JJ sure) (SBAR (WHADVP (WRB where)) (S (S (NP (NN self) (HYPH -) (NN promotion)) (VP (VBZ ends))) (CC and) (S (NP (DT the) (NN truth)) (VP (VBZ begins)))))))))
(ROOT (S (NP (PRP )) (VP (VBP ) (ADVP (RB )) (ADJP (RB ) (JJ ) (SBAR (WHADVP (WRB )) (S (S (NP (NN ) (HYPH ) (NN )) (VP (VBZ ))) (CC ) (S (NP (DT ) (NN )) (VP (VBZ )))))))))