Yes, notation seems to be critical. I wanted to see how well it can recreate the training data; so I picked Kyle from South Park and put in "they killed Kenny".

Yes, notation seems to be critical. I wanted to see how well it can recreate the training data; so I picked Kyle from South Park and put in "they killed Kenny". I assume this should be in the training set, being a running theme in the show. The inference puts it in a question-like tone, not like the original.