One characteristic of postmodernism is that it often dissolves traditional boundaries. Morrison has explained that her story,

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One characteristic of postmodernism is that it often "dissolves traditional boundaries." Morrison has explained that her story, "Recitatif," is "an experiment in the removal of all racial codes from a narrative about two characters of different races for whom racial identity is crucial."

Why does Morrison make it difficult to determine which race each girl is? Give a specific example from the story to support your point.