a black man getting humiliated by a pack of dogs who are smarter than him 
(ROOT (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 (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 )))))))))))))