She believes in 6 impossible things.
1st:
There is a potion that can make you shrink.
2nd:
There's a cake that can make you grow.
3rd:
Animals can talk.
4th:
A cat can vanish.
5th:
There is a place called Wonderland.
6th:
She can slay the Jabberwocky.
She is Alice. Saying that these are things that are impossible, but in the end she was proved to be wrong.
Yes, this is indeed a fiction. But come to think of it, things are only impossible if you don't try.