Many nurseries sell fruit trees that they label "miniature." Not all nurseries, however, use this term in the same wa...

Hi, I debated B and E, and even after reviewing. B: Some of the nurseries have correctly labelled nectarine trees of the Stark Sweet Melody variety only if the variety is unsuitable for growing in a tub or a pot. So I know that if the variety is unsuitable for growing in a tub or pot, then this means it is not a miniature. In B it says, if that is the case then some of the nurseries correctly labeled the nectarine trees. Well I know that some of the nurseries did not label it as a miniature. Therefore, some nurseries have indeed correctly labelled the nectarine trees. Is this not true? I would be wrong if B was referring specifically to those nurseries that labelled it "miniature" but it just generally said "nurseries" and we know some did not label them as miniature, which is where my confusion comes from. Oh but as I write this, I guess we don't know if they correctly labelled it, maybe they labelled it something other than a miniature and that's still wrong? Let me see if E doesn't have that problem. E: Unless the Stark Sweet Melody variety of nectarine tree is suitable for growing in a tub or a pot, some nurseries mislabel this variety of tree. E is saying, some nurseries mislabel the variety of tree unless it is suitable for growing in a tub or a pot. If it does not grow in a tub or pot, then definitely some mislabel it because some label it as "miniature". Now E sort of implies that if it does grow in a tub or pot then nurseries don't mislabel it, but that isn't true because some label it as not a miniature, so it is still being mislabeled. Is E only referring to those nurseries that label it as "miniature"? How would I have known that? This was my original confusion. So what is my question: Although I can see now why B is wrong and E is right, the original question I was going to ask was when these answer choices refer to the nurseries who labelled it, are they only referring to nurseries who label it as a "miniature"? It seems like they do because of what E implies and because most people interpret B as being the opposite of what we are looking for? I considered the nurseries that did not label them as miniatures as reading the answer choices and it seemed to mess me up