finds its humor in a black man getting humiliated by a pack of dogs who are smarter than him 
(ROOT (S (VP (VBZ finds) (NP (PRP$ its) (NN humor)) (PP (IN in) (NP (NP (DT a) (JJ black) (NN man)) (VP (VBG getting) (VP (VBN humiliated) (PP (IN by) (NP (NP (NP (DT a) (NN pack)) (PP (IN of) (NP (NNS dogs)))) (SBAR (WHNP (WP who)) (S (VP (VBP are) (ADJP (ADJP (JJR smarter)) (PP (IN than) (NP (PRP him))))))))))))))))
(ROOT (S (VP (VBZ ) (NP (PRP$ ) (NN )) (PP (IN ) (NP (NP (DT ) (JJ ) (NN )) (VP (VBG ) (VP (VBN ) (PP (IN ) (NP (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS )))) (SBAR (WHNP (WP )) (S (VP (VBP ) (ADJP (ADJP (JJR )) (PP (IN ) (NP (PRP ))))))))))))))))