Is there a need to train it?
The results I'm getting are very much hit and (mostly) miss - just had a customer responding simply with "Thanks!". According to the activities log, Freddy didn't even run a check. It did so previously on the same ticket, and did not detect a Thank you note.
Also: Is there a list view or something that shows all the Tickets that are still Closed or Resolved but Freddy didn't re-open because it did detected a Thank you note? Ie, how do I check for false positives?