is conversational bordering on confessional 
(ROOT (S (VP (VBZ is) (ADJP (JJ conversational)) (S (VP (VBG bordering) (PP (IN on) (ADJP (JJ confessional))))))))
(ROOT (S (VP (VBZ ) (ADJP (JJ )) (S (VP (VBG ) (PP (IN ) (ADJP (JJ ))))))))