Do you want to know which one of these things was a lie?

Question of the moment: Do you want to know which one of these things was a lie? How about these things?

1) I’ve delivered academic papers at international conferences.
2) I haven’t seen my father since I was five.
3) My parents go to Conservative club barbeques.
4) I lived in nine different houses by the age of six.
5) I smoke thirty cigarettes a day.