If A = {x, y, z} and B = {u, v, w, x}, and the universe is {s, t, u, v, w, x, y, z}. Then (A U B’) ∩ (A ∩ B) is equal to
(A) {u, v, w, x}
(B) { }
(C) {u, v, w, x, y, z}
(D) {u, v, w}
(E) None of these

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