M: believe it or not, john was elected the chairman in the club.
W: that's unbelievable, are you sure?
M: positive
w: i think john is the last person he should be in charge.
A: Believe it or not, John was elected chairman of the club.
B: That's unbelievable! Are you sure?
A: Positive!
B: I think John is the last person who should be in charge.