kinetic enough to engross even the most antsy youngsters 
(ROOT (ADJP (JJ kinetic) (RB enough) (S (VP (TO to) (VP (VB engross) (NP (RB even) (DT the) (ADJP (RBS most) (JJ antsy)) (NNS youngsters)))))))
(ROOT (ADJP (JJ ) (RB ) (S (VP (TO ) (VP (VB ) (NP (RB ) (DT ) (ADJP (RBS ) (JJ )) (NNS )))))))