The context of the following conversation is Riley understood Sasha's presentation well. They worked on it for weeks together.:
Sasha says Did you see my presentation that I sent you?.
The friend responds Yeah, I mean despite the fact that we have been working on it together for a long time, I was surprised..
Sasha responds What surprised you about it?.
The friend responds Well I honestly was not expecting it to turn out so great..
Sasha responds Well I am glad that you have been pleasantly surprised..
The friend responds Yes, you will probably get a great performance review for it..