Sets A, B, and C are subsets of the universal set U. These sets are defined as follows. U = (f. g. h. p. q. r. x. y. z) A = ( f . g . p. q ) B - { g. h. q. x.y) C = { p. q . x . y. z } Find A'n (C U B). Write your answer in roster form or as D. An(CUB)