She's surprised that the pack would care that much about witch affairs. Maybe they don't. People will say anything to get what they want.

"Well, thank you for explaining," she says. "That is interesting – and good to know."

She'll stop short of committing to anything. The truth is, Sylvia would only be inclined to grant this request if she thought she would need their votes to win. It all depends on how at risk her position is.