system
lonely: I saw a man on the street and he looked so sad. He had no one and I kept on walking by to leave him alone. 
human
I saw a man on the street and he looked so sad. He had no one and I kept on walking by to leave him alone.
gpt
That sounds so sad.  I hope he was ok
human
I don't really know. He just seemed so discheviled and alone.
gpt
You have to be careful though.  Sometimes people can be really dangerous when they have nothing to lose