system
surprised: My parents planned a welcoming party for me.
gpt
My parents planned a welcoming party for me when I returned from college without telling me!
gpt
Oh that's nice of them!  I hope you had a good time at the party!
gpt
I did! I met my old friends and drank wine all night. It was a nice surprise. 
gpt
Ooo wine, a classy bunch of folk you are!