been done before but never so vividly or 
(ROOT (S (VP (VBN been) (VP (VBN done) (ADVP (RB before)) (CC but) (ADVP (RB never)) (ADVP (RB so) (RB vividly)) (CC or)))))
(ROOT (S (VP (VBN ) (VP (VBN ) (ADVP (RB )) (CC ) (ADVP (RB )) (ADVP (RB ) (RB )) (CC )))))