Emma: Who's that?
ဲဲJill: He's my brother.
Emma: Wow! he's cute. What's his name?
Jill: James. We call him Jim.
Emma: Oh, how old is he?
Jill: He's twenty-one years old.
Emma: What's he like? Is he nice?
Jill: Yes, he is- and he's very smart, too.
Emma: And who's that?
Jill: My sister Tammy. She's only twelve.
She's the baby of the family.