Complex sentence: Mason-Dixon Roller Vixens (MDRV) is a women's flat track roller derby league based in Hagerstown, Maryland and a member of the Women's Flat Track Derby Association (WFTDA).
Split into simpler sentences: Mason-Dixon Roller Vixens (MDRV) is a women's flat track roller derby league based in Hagerstown, Maryland. It is a member of the Women's Flat Track Derby Association (WFTDA).