Utilize the input text as a context reference, choose the right relationship between Novozymes and enzyme from the options. Options: 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.

LONDON, Aug 6 (Reuters) - European shares retreated on Thursday, with some weak corporate results hitting the shares of enzyme company Novozymes and Deutsche Post .

Answer: product_or_material_produced