you can release your pent up anger 
(ROOT (S (NP (PRP you)) (VP (MD can) (VP (VB release) (NP (PRP$ your) (ADJP (NN pent) (RP up)) (NN anger))))))
(ROOT (S (NP (PRP )) (VP (MD ) (VP (VB ) (NP (PRP$ ) (ADJP (NN ) (RP )) (NN ))))))