S = {Chocolate, Vanilla, Mint}


11)

____D_

A)

{Vanilla, Mint}, {Chocolate, Mint}, {Chocolate, Vanilla}, {Chocolate}, {Vanilla}, {Mint}

B)

{Chocolate, Vanilla, Mint}, {Vanilla, Mint}, {Chocolate, Mint}, {Chocolate, Vanilla}, {Chocolate}, {Vanilla}, {Mint}

C)

{Chocolate, Vanilla, Mint}, {Vanilla, Mint}, {Chocolate, Mint}, {Chocolate, Vanilla}, {Chocolate}, {Vanilla}, {Mint}, { }

D)

{Chocolate, Vanilla, Mint}, {Vanilla, Mint}, {Chocolate, Mint}, {Chocolate, Vanilla}, Chocolate, Vanilla, Mint