2012 United States presidential election in South Carolina
The majority of the Democratic vote comes from the Black Belt , with areas such as Richland and Charleston counties , home to Columbia and Charleston respectively , providing high margins for the Democrats . 
<triplet> Richland <subj> Columbia <obj> contains administrative territorial entity <triplet> Charleston <subj> Charleston <obj> contains administrative territorial entity <triplet> Columbia <subj> Richland <obj> located in the administrative territorial entity