system
surprised: My husband just found out that his company is going to start giving him a monthly bonus! This was great news and quite unexpected!
gpt
My husband just found out he will start getting a monthly bonus! This was unexpected and great news
human
That is so exciting. A little extra cash can always help.
gpt
It sure does. It came as a shock, but a pleasant one. 
human
Yes, that would be a great surprise. It can also take a lot of stress off of you.