Susie:What are you buying at the department store today,Alice?Alice:Nothing.I'm returning something.Susie:What are you returning?Alice:These pants.Susie:Are they the wrong size?Alice:No.The size is right.But I want a different color.Susie:You don't like white?Alice:I do.But I need blue pants.Susie:Do you have your receipt?Alice:|think so.