I like ethnic humor.
( I ( ( like ( ethnic humor ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP like) (NP (JJ ethnic) (NN humor))) (. .)))
I like jokes about race.
( I ( ( like ( jokes ( about race ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP like) (NP (NP (NNS jokes)) (PP (IN about) (NP (NN race))))) (. .)))