for attention it nearly breaks its little neck trying to perform entertaining tricks 
(ROOT (S (PP (IN for) (NP (NN attention))) (NP (PRP it)) (ADVP (RB nearly)) (VP (VBZ breaks) (NP (PRP$ its) (JJ little) (NN neck)) (S (VP (VBG trying) (S (VP (TO to) (VP (VB perform) (NP (JJ entertaining) (NNS tricks))))))))))
(ROOT (S (PP (IN ) (NP (NN ))) (NP (PRP )) (ADVP (RB )) (VP (VBZ ) (NP (PRP$ ) (JJ ) (NN )) (S (VP (VBG ) (S (VP (TO ) (VP (VB ) (NP (JJ ) (NNS ))))))))))