         [Sentence 1: We classify the SKUs into three those with high  Jdemand (averaging 5,700 units a week) and low demand  variation (Cv=0.6), those with medium demand (averaging  3,000 units a week) and medium demand variation (Cv=0.7),  fand those with low demand (averaging 1,300 units a week)  Jand high demand variation (Cv= 1.3).    Sentence 2: There is no possible way to classify SKUs, they  lonty have one class.