system
apprehensive: I was apprehensive a few weeks ago when I got on this rickety roller coaster. It was an old wooden one and kind of scary. 
gpt
I went to a theme park recently and got on this roller coaster 
human
Really! Did you have fun? 
gpt
Not really. :( It didn't seem very safe.. it was a really old rickety, wooden one that looked like it was about to fall apart. 
human
Oh no! That sounds scary. Some of the rollercoasters can be very well built while others are very sketchy
gpt
Yeah I'm just glad I didn't die. Phew. 