A legally nonconforming use isa$)$ A use that was legally established andmaintained but no longer conforms toexisting zoningb$)$ A use that was illegally established andmaintainedc$)$ A use that was not legally established andmaintained and still does not conform toexisting zoningd$)$ A use that was not legally established andmaintained but for which the government isnot enforcing the lawse$)$ All of the abovef$)$ None of the above