Mommy: Um..it's a number to tell people where something came from.
Jude: [scoffing] Mommy! You can't EAT numbers! Now, what IS a serial number?
Mommy: [pause] Oh! Cereal! Do you mean cereal like
Jude: Yeah! Yeah! But cereal with numbers! You know?
Mommy: Ok, like alphabet soup except you want it to be number cereal?
Jude: Huh? What's alphabet soup?
Mommy: It's soup with...
Jude: Nevermind, Mommy. I'll ask Daddy.