person A: I studied really hard for my exam_comma_ and I think I'll do well!
person B: what kind of exam is it _comma_ and you sound confident you got this 
person A: It's actually a Master's exam so it covers a lot of material_comma_ but I do feel I learned it well and am confident in my abilities
person B: That is awesome to hear _comma_ preparation will help you knock this out like a champ