Consider the premise. Does the hypothesis naturally and logically follow? Premise: Although no single retailer pioneered or adopted all the innovations that compose lean retailing, we focus here on those in three segments'mass merchants, national chains, and departments stores'that played important roles in initiating the larger transformation. Hypothesis: There were five different retailers that developed key portions of lean retailing. 
Although no single retailer pioneered or adopted all the innovations that compose lean retailing, we focus here on those in three segments'mass merchants, national chains, and departments stores'that played important roles in initiating the larger transformation.###There were five different retailers that developed key portions of lean retailing. 