Read the sentence. Cora Emily and Elliot visited relatives in Boston, Massachusetts Durham , New Hampshire and Portland, Maine. How should the underlined lists in the sentence be punctuated?

The first list contains the names Cora, Emily, and Elliot, so commas separate its items. The second list contains city-and-state pairs, each already using a comma, such as Boston, Massachusetts. Semicolons separate those larger items clearly: Boston, Massachusetts; Durham, New Hampshire; and Portland, Maine. Therefore, the lists should be punctuated differently, as choice A says.

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