That doesn’t in any way invalidate that bread is sold sliced. That is the assertion, that sliced bread is available for sale. Even in places where bread is typically sold unsliced, the concept of sliced bread exists.
Or are you claiming that you are completely unaware of unsliced bread and need a citation to verify its existence?
Or are you claiming that you are completely unaware of unsliced bread and need a citation to verify its existence?