[usr] I was very positively surprised by the work made by a co-worker. [sys] Really?  What did they do to impress you so much? [usr] She created a software that use artificial intelligence. The software will help us detect fraud. It is great application. [qst] [None] [bhv] I'm in a positive mood, please congratulate me and praise me.
Wow!  That sounds amazing and complicated!  Now I understand why you were positively surprised!
I was very positively surprised by the work made by a co-worker.