Which of these writing prompts is asking for a persuasive essay?

a. You received a gift from your grandmother. Write her a note to thank her for the gift.

b. Think about your favorite hobby. Describe it in a way that can help others enjoy it, too.

c. Your favorite store is thinking about closing down. Write a letter to convince them to stay in business.

d. Organization is important. Explain to a younger student what the student can do to stay more organized.

e. Talk about a day that is special to you. Then explain why you consider it to be a special day.