The paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Choose the missing words of the phrase or sentence.

Martha's Vineyard and Nantucket are popular places to visit, especially in the warmer months. Both are known for their sailing and sunsets and fun things to do. Marthas Vineyard is also known for its tall cliffs overlooking the Atlantic Ocean. The island is about 13 kilometers off the coast and is less than 260 square kilometers.

A(an) （） of martha's Vineyard and Nantucket.