"Okay!" She says, which here means, "okay!" Sunny looks around for a moment before pointing to a tree and asking Magnus if her spot can be over there.

She thinks if she gets bored enough she might try climbing it with her teeth, similar to how she used them to climb the 66 floors of 667 Dark Avenue's ersatz elevator shaft. The tree isn't nearly as tall, it would take her only a fraction of the time to climb it.