of a been-there , done-that sameness 
(ROOT (PP (IN of) (NP (DT a) (NML (S (VP (VBN been) (HYPH -) (ADVP (RB there)) (, ,) (S (VP (VBN done) (, -) (NP (DT that))))))) (NN sameness))))
(ROOT (PP (IN ) (NP (DT ) (NML (S (VP (VBN ) (HYPH ) (ADVP (RB )) (, ) (S (VP (VBN ) (, ) (NP (DT ))))))) (NN ))))