This is fantastic bite-sized example of exactly what makes Prolog and other logic languages so different to program in and will probably become my go-to example

This is fantastic bite-sized example of exactly what makes Prolog and other logic languages so different to program in and will probably become my go-to example for introducing what's so special about Prolog to programmers with backgrounds in other programming languages who are looking for examples that involve "real-world" programming tasks.