Read the dialogue and answer the question.

Danu : Ika, you’re here!

Ika : Oh hey, Danu.

Danu : Are you here with your family?

Ika : Yes, I am. I came here with my parents, brother, and sister.

Danu : Where is your brother?

Ika : He is building a sand castle.

Which one is Ika’s brother?