Please help with homework The great gatsby: In the very last line of Chapter Three, Nick Carraway claims

In the very last line of Chapter Three, Nick Carraway claims: “I am one of the few honest people that I have ever known.” By the end of the book, Jordan Baker decides that this statement itself a lie. Is Nick Carraway honest? Dishonest? How would we know? If one muppet always tells the truth, and one muppet always lies, how do you know which way to go?