the importance of being earnest offers opportunities for occasional smiles and chuckles 
(ROOT (S (NP (NP (DT the) (NN importance)) (PP (IN of) (S (VP (VBG being) (ADJP (JJ earnest)))))) (VP (VBZ offers) (NP (NP (NNS opportunities)) (PP (IN for) (NP (JJ occasional) (NNS smiles) (CC and) (NNS chuckles)))))))
(ROOT (S (NP (NP (DT ) (NN )) (PP (IN ) (S (VP (VBG ) (ADJP (JJ )))))) (VP (VBZ ) (NP (NP (NNS )) (PP (IN ) (NP (JJ ) (NNS ) (CC ) (NNS )))))))