this makes for perfectly acceptable , occasionally very enjoyable children 's entertainment . 
(ROOT (S (NP (DT this)) (VP (VBZ makes) (PP (IN for) (NP (ADJP (RB perfectly) (JJ acceptable)) (, ,) (ADJP (RB occasionally) (RB very) (JJ enjoyable)) (NP (NNS children) (POS 's)) (NN entertainment)))) (. .)))
(ROOT (S (NP (DT )) (VP (VBZ ) (PP (IN ) (NP (ADJP (RB ) (JJ )) (, ) (ADJP (RB ) (RB ) (JJ )) (NP (NNS ) (POS )) (NN )))) (. )))