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A school held a creative art competition in three categories. In the Venn diagram below X represents the set of children who participated in origami, Y represents the set of children who made collages, and Z represents the set of children who made posters. Based on the diagram, which of the following represents the number of children in the set ~Z ∩ (X ∩ Y)? {g, h, k} {g, h, k, n} {g, h, k, n, I, j} {g, h, k, n, l, m, a, b}
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