[Well, she knows a dismissal when she hears it, and it would be bad to get Miss Osculia in outright trouble with the Mayor. (But she doesn't quite get what's so bad about this part of the conversation, given everything else they spoke of.)]

[Deeply bows] Thank you, Miss Osculia. You have been quite helpful.
[So long as the answers were all truthful! But then, why bother lying when all this trouble had been taken for the setup-- and speaking of, there was the unopenable door.]