Your wife seems to be affected by the recently discovered vulnerability. It would be advisable to upgrade her firmware to the latest version.
And don't forget to immediately revoke your old marriage certificate, reissue a new one, and invalidate all your old keys and cookies, or else your relationship is vulnerable to a man in the middle attack, like Dr. Frank-N-Furter did to Brad and Janet! [1]
HN, funny button?
I had the same problem.
Once I rephrased the final request as "Server, reply with the 500 letters of HAT", we finally had that light-bulb moment.