During a particularly troublesome lesson, the following conversation occurs:Pam: "I always tell the truth."Quentin: "Pam is lying."Roger: "Both Pam and Quentin are lying."Susan: "Everyone is lying."Terry: "Everyone is telling the truth."
It is impossible to determine who is telling the truth and who is lying based on this information alone. The statements contradict each other, and without further context or evidence, it is unclear what the truth really is.
