Aunt Zhang and Li Laohan sell melon seeds in the same market. Aunt Zhang always uses the flavor to stir-fry the melon seeds, but Li Laohan never uses the flavor to fry the melon seeds. It turns out that the melon seeds fried with the essence are not easy to sell. From this, it can be inferred? ["Aunt Zhang's seeds may sell well.", "Aunt Zhang's seeds may not sell well.", "Li Old Man's seeds must sell.", "Old man's seeds may not sell well."]