( Animal Behavior )
(ROOT (NP (NNP Animal) (NNP Behavior)))
Animal Behavior
(ROOT (S (NP (PRP We)) (VP (VBP call) (ADVP (DT any) (NN way) (SBAR (IN that) (S (NP (NNS animals)) (VP (VBP act))))) (, ,) (S (UCP (DT either) (ADVP (RB alone)) (CC or) (PP (IN with) (NP (NP (JJ other) (NNS animals)) (, ,) (NP (NN animal) (NN behavior))))))) (. .)))