Last month, the Hong Kong garment manufacturer said it had so far failed to negotiate an agreement with striking workers at the Artigas factory in Shenzhen, which is a supplier to Fast Retailing, operator of the Uniqlo casual clothing chain.
Utilize the input text as a context reference, choose the right relationship between 'Uniqlo' and 'clothing' from the options.
Options: employer, publisher, product/material produced, director/manager