Kyle: I spilled milk on the floor.
Mommy: OK, you can clean it up then.
Kyle: I can't clean it up. I'm just a baby.
Mommy: We have to buy Harry Potter tickets early because Harry Potter is very popular. Lots of people will want to see it. The books are very popular, too.
Liam: J. K. Rowling is very popular, isn't she?
Mommy: Yes, millions of people have bought her books.
Liam: Is she rich?
Mommy: Liam, do you want a peanut butter sandwich?
Liam: No, I'm okay with hunger.