Read the following dialogue and answer the question.

Dara : I heard from my mom that you got the first rank in your class. Is that true?
Kea  : Umm, yes. I am so glad.
Dara : Wow. Great! Congratulations. You are so smart.
Kea  : Not really. I just gave my best in every subject that my teachers taught.
Dara : That’s the reason then. You deserve it. Aunt Riri must be so proud of you.
Kea  : Thank you. I’m happy you think so. Yes, she bought me a tub of ice cream yesterday.

What are the speakers talking about?