Zack: are you sure the exam is next week?
Theo: pretty sure, why?
Zack: I don't know
Zack: I was under the impression that our professor is on leave until the end of the month
Theo: maybe someone else will do it
Theo: I don't think they need him for a written exam
Zack: you might be right
Zack: but that means that we don't have much time left to study for it
Theo: don't worry
Theo: from what I heard it's not that difficult
Zack: who told you that?
Theo: my sister's friend took it last year
Theo: and she claims it was one of the easiest one
Zack: maybe for her
Zack: I'm still not confident about it
Theo: we'll see
Theo: there's no point in speculating
Theo: or worrying in advance
Zack and Theo are taking the exam next week.