( Behavior ( easily ( ( combines ( unlike elements ) ) . ) ) )
(ROOT (S (NP (NNP Behavior)) (ADVP (RB easily)) (VP (VBZ combines) (PP (IN unlike) (NP (NNS elements)))) (. .)))
Behavior easily combines unlike elements.
(ROOT (S (NP (JJ Reactive) (NNS elements)) (VP (VBP are) (ADJP (JJ able) (S (VP (TO to) (VP (VB combine) (ADVP (RBR more) (RB easily)) (PP (IN with) (NP (JJ other) (NNS elements)))))))) (. .)))