This is a trick question, the answer is Friday because on Friday Dieter would tell the truth and say "Yesterday I lied", while John would lie and say "Yesterday I lied"
Originally Posted by thedarktemplar
no other day would work, the way to do this problem though is to write it out like this...note:Lied means he would sya "Yesterday I lied" and Honest means "Yesterday I told the truth"
John | Lied | Lied |Honest | Honest | Honest | Lied | Honest |
Dieter|Honest|Honest| Lied | Honest | Lied | Lied | Honest |