Can we have fun with AI chat?

Q:
A man and his son live 500 miles apart. The man starts driving East to meet his son at 60 miles per hour. At the same time the son starts driving West to meet his father at 80 miles per hour. At the meeting point their cars collide and the father is killed. The son is rushed to the hospital, but the surgeon says “I can’t operate on him, that’s my son!” At the time of the collision, how far had each traveled, and who was the surgeon?

A:
The answer to the riddle is that the surgeon is his mother. The riddle plays on the assumption that the father is the only one driving, but in reality, both the father and the son are driving towards each other.

Q:
But how far did each travel?

A:
When they collided, the father and son each traveled 250 miles, meeting at the midpoint of the 500-mile distance between them.

(ChatGPT 3.5)