Question help please.

Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set. 4) (An B ) U ( An C ) A) { q, s, u, w, y} B) {q, s, v, w, y'} C) {r, t, u, v, x, z} D) {q, s, w, y}