question: North Carolina:South Carolina
choices.label: A B C D
choices.text: Washington State:Oregon State Virginia:Oregon Alaska:California Kentucky:Florida
explanation: both “North Carolina" and "South Carolina" belong to states administrative regions, and the two border on each other. both “Washington State" and "Oregon State" belong to states administrative regions, and the two border on each other. both "Virginia" and "Oregon" belong to statesadministrative regions, but the two are not geographically adjacent. both "Alaska" and "California" belong to statesadministrative regions, but the two are not geographically adjacent. both "Kentucky" and "Florida" belong to statesadministrative regions, but the two are not geographically adjacent.
relation: North Carolina South Carolina R2.4
relation: Washington State Oregon State R2.4
relation: Virginia Oregon R2.4
relation: Alaska California R2.4
relation: Kentucky Florida R2.4