system
surprised: My parents threw a party for my for my 25th birthday. I had absolutely no idea it was happening,
gpt
When I turned 25 I got my first surprise party thanks to my parents.
gpt
That's really cool of them. You weren't expecting it at all, hu?
gpt
No. I just thought we were going to an early dinner together. 
gpt
Parents can be great sometimes. Did you have a good time?