Complex sentence: Virginia's Eighth Congressional District is a U.S. congressional district in the Commonwealth of Virginia, encompassing Arlington County, parts of Fairfax County, and the independent cities of Alexandria and Falls Church.
Split into simpler sentences: Virginia's Eighth Congressional District is a U.S. congressional district in the Commonwealth of Virginia. Encompassing much of Northern Virginia's suburbs of Washington, D.C., Virginia's 8th District includes Arlington County, parts of Fairfax County, and the independent cities of Alexandria and Falls Church.