Still fails the car wash question, I took the prompt from the title of this thread: https://news.ycombinator.com/item?id=47031580

The answer was "Walk! It would be a bit counterproductive to drive a dirty car 50 meters just to get it washed — you'd barely move before arriving. Walking takes less than a minute, and you can simply drive it through the wash and walk back home afterward."

I've tried several other variants of this question and I got similar failures.