What city has the northern-most post office in Wisconsin?
Cornucopia, a small town located on the south shore of Lake Superior, is home to the northern-most post office in Wisconsin.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What city has the northern-most post office in Wisconsin?
### Input: 
### Response: Cornucopia, a small town located on the south shore of Lake Superior, is home to the northern-most post office in Wisconsin.