system
sentimental: My 25th wedding anniversary, my husband and I renewd our wedding vows
human
My husband and I renewed out wedding vows for our 25th anniversary. It was such a sweet and memory filled day. 
gpt
Wow! Congratulations! That sounds like a wonderful thing to do. Was it just the two of you?
human
Thank you. No, my grown children were there. They made a slide show of hubby and I over the years. Brought tears to my eyes. 
gpt
Aw that is so sweet. That sounds like the most special day. 