earnest and heartfelt but undernourished and plodding . 
(ROOT (S (ADJP (ADJP (JJ earnest) (CC and) (JJ heartfelt)) (CC but) (ADJP (JJ undernourished) (CC and) (VBG plodding))) (. .)))
(ROOT (S (ADJP (ADJP (JJ ) (CC ) (JJ )) (CC ) (ADJP (JJ ) (CC ) (VBG ))) (. )))