Complex sentence: Nantucket Reds are a style of pants produced by Murray's Toggery Shop which is located on the islands of Nantucket and Martha's Vineyard which are situated off the coast of Cape Cod, a peninsula which is part of the Commonwealth of Massachusetts.
Split into simpler sentences: Nantucket Reds are a style of pants produced by Murray's Toggery Shop, located on the islands of Nantucket and Martha's Vineyard. These islands are situated off the coast of Cape Cod, a peninsula of the Commonwealth of Massachusetts.