it 's excessively quirky and a little underconfident in its delivery , but 
(ROOT (S (S (NP (PRP it)) (VP (VBZ 's) (ADJP (ADJP (RB excessively) (JJ quirky)) (CC and) (ADJP (DT a) (JJ little) (JJ underconfident) (PP (IN in) (NP (PRP$ its) (NN delivery))))))) (, ,) (CC but)))
(ROOT (S (S (NP (PRP )) (VP (VBZ ) (ADJP (ADJP (RB ) (JJ )) (CC ) (ADJP (DT ) (JJ ) (JJ ) (PP (IN ) (NP (PRP$ ) (NN ))))))) (, ) (CC )))