Question: An island located south of Cape Cod in Massachusetts includes an island in Edgartown, Massachusetts, that is on wha tend of Martha's Vineyard?
Sentence (from "Chappaquiddick Island"): Chappaquiddick Island (Massachusett language: "Noepe" "tchepi-aquidenet"; colloquially known as "Chappy"), a part of the town of Edgartown, Massachusetts, is a small peninsula and occasional island on the eastern end of Martha's Vineyard.
Relevant evidence: Yes