sad but endearing characters do extremely unconventional things 
(ROOT (S (NP (ADJP (JJ sad) (CC but) (JJ endearing)) (NNS characters)) (VP (VBP do) (NP (ADJP (RB extremely) (JJ unconventional)) (NNS things)))))
(ROOT (S (NP (ADJP (JJ ) (CC ) (JJ )) (NNS )) (VP (VBP ) (NP (ADJP (RB ) (JJ )) (NNS )))))