this every-joke-has - been-told-a 
(ROOT (NP (DT this) (SBAR (S (NP (DT every) (HYPH -) (NN joke)) (HYPH -) (VP (VBZ has) (HYPH -) (VP (VBN been) (HYPH -) (VP (VBN told) (HYPH -) (. a))))))))
(ROOT (NP (DT ) (SBAR (S (NP (DT ) (HYPH ) (NN )) (HYPH ) (VP (VBZ ) (HYPH ) (VP (VBN ) (HYPH ) (VP (VBN ) (HYPH ) (. ))))))))