system
joyful: Sitting outside on a nice cool day and watching my kids play outside is very pleasing. 
human
I really enjoy sitting outside on a nice cool day, watching my kids play in the yard.
gpt
That sounds great.  What do they like to do in the yard?
human
They love playing on their playground and swinging around their toy swords! Slaying dragons and saving princesses!
gpt
THat is so sweet.  I hope the weather stays nice