Which scenario is an example of loyalty to a company in a consumer's daily life?

Getting a haircut from the one barber in town who has an appointment available this afternoon

Ordering from Pizza Hut because there is a coupon in the mail offering a significant discount

Continuing to shop at Dunkin' Donuts even if Starbucks opens more convenient locations and offers slightly lower prices

Buying a Pepsi product from the campus vending machine because Pepsi is the only vendor allowed on campus