Ali and Zoe reach into a bag that they know contains nine lottery balls numbered 1 to 9. They each take one ball out to keep and they look at it secretly. Then, they make the following statements, in order:

**Ali**: I don’t know whose number is bigger.

**Zoe**: I don’t know whose number is bigger either.

**Ali**: I still don’t know whose number is bigger.

**Zoe**: Now I know that my number is bigger!

Assuming Ali and Zoe are perfect logicians, what is Zoe’s smallest possible number?

Riddle Answer