system
impressed: I was watching Olympic alpine skiing on TV. I was so amazed at the skill of the skiiers. They must have trained so hard.
gpt
The other day I was watching alpine skiing on TV. I am amazed at their skills.
human
Yeah I love watching them ski during the Olympics. It takes a lot of hard work.  Have you ever skied? 
gpt
I did when I was a lot younger. I bet they train very hard. They make it look easy!
human
They sure do. I also really like watching them do trick skiing too. 