Which of the following situations will create diversity jurisdiction?

April, a Delaware resident sues Mike, a New York resident driving in Delaware, for $$80,000$ when he rear ends her while she's riding her bicycle and severely injures her

New York sues Virginia to stop the sale of firearms to New York residents

April, a Delaware resident, is a student at an out$-$of$-$state university and sues the school for a $$50,000$ tuition refund when she must leave for a semester for a personal family emergency and the school refuses a refund or credit

April, a Delaware resident, is a student at the state university in Delaware and sues for $$1,000,000$ after she is molested on campus due to the lack of appropriate security