["For my 21st birthday my friends threw me a surprise party. Friends that I hadn't seen in years showed up, it was great.", 'That sounds so fun. What great friends!', 'Yea I was so shocked, they really came through for me. They are great people!']
I am sure it was a great time!
On my 21st birthday my friends threw me a surprise party. A lot of friends from out of town showed up and I was really surprised.