July 29 (Reuters) - Sports shoe maker and retailer Skechers USA Inc reported a better-than-expected 36 percent rise in quarterly revenue, helped by pent-up demand following the end of labor disruptions at U.S. West Coast ports that had held up imports, as well as increased shipments of back-to-school items.
What is the relationship between 'Skechers' and 'shoe' in the context of the input sentence.
Options: product/material produced, location of formation, owner of, legal form