eightpix

I’d add to this list:

That’s too expensive! Cash price? Stop here! Speak slowly, please.

And any words you might need to relate a dietary restriction: no meat, no dairy, no shellfish, no gluten.

There’s a bunch of these thought experiments that try to posit scenarios where C is violated.

Here’s one I remember from uni involving scissors. Similar to what OP was thinking, but really really big scissors.