Albert starts bargaining over the fruits, without actually buying any, but intending to check one. At the same time, he asks about the details of the product, where they were grown, and compares it with what he has dealt with in the past (were there such fruits in his trading practice, and can they be grown where the merchant says?).
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/I've made some corrections. Well, basically, you can give it to some alchemist, I don't know, for testing./