I've been told I need to do an episode about Prolog. Well, here's the start of that process. To talk about Prolog we first need to come to grips with natural language processing, it's tools, and it's languages. This episode we are doing just that, going from ELIZA to Planner ro SHRDLU in an attempt to figure out how AI was first taught human tongues, where smoke and mirrors end, and where facinting programming begins.   Selected Sources:   https://dl.acm.org/doi/pdf/10.1145/365153.365168 - ELIZA   https://stacks.stanford.edu/file/druid:cm792pj8606/cm792pj8606.pdf - Planner   https://web.archive.org/web/20200725084321/http://hci.stanford.edu/~winograd/shrdlu/AITR-235.pdf - SHRDLU