a mostly believable , refreshingly low-key and quietly inspirational little sports 
(ROOT (NP (DT a) (ADJP (ADJP (RB mostly) (JJ believable)) (, ,) (ADJP (RB refreshingly) (JJ low) (HYPH -) (JJ key)) (CC and) (ADJP (RB quietly) (JJ inspirational))) (JJ little) (NNS sports)))
(ROOT (NP (DT ) (ADJP (ADJP (RB ) (JJ )) (, ) (ADJP (RB ) (JJ ) (HYPH ) (JJ )) (CC ) (ADJP (RB ) (JJ ))) (JJ ) (NNS )))