[MAIN SPOILERS] "She's a lot smarter than she lets on..."

Thought this was an interesting piece of dialogue from Tyrion about Sansa, to which Jon replies "She's starting to let on." This episode was loaded with foreshadowing and I'm getting the feeling that Sansa has a step on Littlefinger. I'm a big fan of the theory that she is playing him and openly disagreeing with Jon to give the appearance of vulnerability. With Bran back in Winterfell and Arya arriving in the next episode, LF's days are fucking numbered.

EDIT: Tyrion said it, not Jon.