Who is it?
Sister
Are they brother and sister?
Yes, they are
Who is it?
Brother
Are they sisters?
Yes, they are
Is it a small family?
No, it's not
Is it a small family?
Yes, it's
Who is it?
Mother (mum)
Who is it?
Grandmother (grandma)
Who is it?
Father (dad)
Are they brother and sister?
No, they are not