[The Blue Squares... And Katara's worry increases. Yes, she's heard about the Blue Squares. From him. They were the ones he was fighting. And she hadn't asked, nut she later assumed that they were the ones who had taken Saki.]

You've told me about the Blue Squares before. I've only heard about them from you. I've never heard of the Dollars.

[But given the context, she can make certain associations...]