Which option distinguishes why the Country of Origin sticker is NOT present in the following scenario?

Cynthia prefers to eat only foods produced in the United States. She is purchasing frozen pizzas from a big box warehouse store and cannot find the Country of Origin label.

Country of Origin labeling is only required on produce.
Country of Origin labeling is not required in big-box warehouse stores.
Country of Origin labeling is not required on frozen pizzas.
Country of Origin labeling is only required on foreign foods.