Name the Set of Inputs (Domain) and the Set of Outputs

Name the set of inputs (domain) and the set of outputs (range) . The capital of the state is a function of the name of the state.

A) {capital}; {name of the state}
B) {name of the state}; {capital}
C) {name of governor}; {capital}
D) {area of state}; {capital}
E) {name of state}; {area of state}