We should drag that out of handwave land sometime! Well, I mean, to the extent to which we can given they're studying a language neither of us (muns) knows at all (unless you've been up to way more in our years apart than I previously knew of, Dien, which I'm not ruling out entirely).

Long does have a large knowledge base, perhaps I should think of something for Sherlock to pester him about, plot-relevant or otherwise. Sherlock is, if nothing else, full of questions.