There was a country where everyone was either a Wahroton or a Lügoton. Lügotons always lied while Wahrotons never did so. The King needs your help: He must find out who is a Wahroton and who not. Street by street you are asking questions to each inhabitant. For some reason, the only question they answer to is “How many of your neighbours are Lügotons?”. Are you clever enough to find out who is a Lügoton and who not?