Honestly, I'm not sure I saw a single thing on there that describes her (okay, maybe addictive personality and delusion), which is fine because she thinks Divination is a bunch of hogwash anyway.
Honestly, she might fit better under Aries or Leo or even Scorpio, but I'm too lazy and stubborn to change her birthday so...Sylvie ends up one of those who just doesn't fit her sun sign at all.