http://filsofia.com/share/20251010-AI-fails-to-understand-alphabet---web.mp4
download|http://filsofia.com/share/20251010-AI-fails-to-understand-alphabet---HQ.mp4
It might be useful to understand the weaknesses of AI if you need to determine if you are speaking to a real person or to a machine. At least for now, you could ask a question about letters.
Edit Oct-11-2025
The same question posed to the open-source SUSI.AI gave a different response (the correct response).