“How do the shop owners know they are not bothers buying a cake for their sisters wedding?”
Well, suppose they say something like “We’re looking to buy a cake for our wedding. That one in the case looks good, we’ll take it.”
“Well, suppose they say something like Were looking to buy a cake for our wedding. That one in the case looks good, well take it.”
Yes. Finally. This is going in circles which is what the liberal argument does. Take a look at the original comment and response that started this sub-thread.
The answer In this case is the shop does not sell that product, or the product is not sold for that use - which is the same as not selling the product.