What is the relationship between fast food industry and fast food in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Whilst, for instance, the fast -- the food service board that goes to fast food industry and on the go, that is weak because not all restaurants and fast food places have opened up.

Answer: product_or_material_produced