Fruits of the same varieties with the same sugar, shape, color, and size that meet certain criteria differ in shape, color, taste, and quality of chewing texture. Even consumers have different tastes. Fruits from the same tree are similar in taste but differ in quality in size, shape and color. The value of the fruit and the variety of consumers is implemented to have a normal distribution, which creates various added values online based on the evaluated values for various items evaluated by consumers.
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