"Meanwhile, as competitors like Kroger, Publix, H-E-B, Jewel-Osco and others have invested in evolving customer lifestyle trends – by broadening organic and fresh offerings – and in improving customer service, the gap between both comp-store sales growth and customer satisfaction at Walmart U.S. grocery and supermarket competitors continues to widen," Hood wrote in a note to clients Monday.
Analyze the relationship between 'grocery' and 'Walmart' within the context of the input sentence.
Options: chairperson, original broadcaster, operator, legal form